Proline Series-Наньтун Донбу Аминоацид Ко., Лтд.

Proline is an α-amino acid containing a pyrrolidine ring. It features a unique cyclic structure and chiral center with stable chemical properties and excellent reactivity, serving as a key intermediate in pharmaceuticals, pesticides, food additives, cosmetics and peptide synthesis.Its derivatives have optimized comprehensive properties through hydroxylation, halogenation, acylation and protecting group modification (CBZ, BOC, FMOC, etc.). They are widely applicable to diversified scenarios such as antibacterial drugs, antihypertensive medications, chiral catalysts and cosmetic humectants, with market demand covering basic chemical industry, medicine, daily chemicals and many other fields.

(1) Proline and Derivatives

No.	Product Name	CAS No.	Product Description
1	D-Homoproline	1723-00-8	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Core reagent for chiral drug synthesis
2	cis-4-Fluoro-L-proline	2438-57-5	Intermediate for antibacterial and antihypertensive drugs, Common raw material for fluorine-containing drug R&D
3	trans-4-Fluoro-L-proline	2507-61-1	Chiral pharmaceutical intermediate, Raw material for antidepressants and antibacterial drugs, Steady market demand growth
4	D-allo-Hydroxyproline (cis-4-Hydroxy-D-proline)	2584-71-6	Cosmetic humectant, Pharmaceutical intermediate, Collagen synthesis mimic, Cross-industry application in daily chemicals and pharmaceuticals
5	4-Oxo-proline	2002-02-0	Antibiotic synthesis intermediate, Biological inhibitor, Universal raw material for pesticides and pharmaceuticals, Sufficient market supply
6	3-Hydroxy-L-proline	4298-08-2	Peptide synthesis reagent, Intermediate for antibacterial and anti-inflammatory drugs, Specialized for chiral pharmaceuticals
7	trans-4-Hydroxy-D-proline	3398-22-9	Peptide synthesis reagent, Intermediate for antihypertensive drugs, Chiral pharmaceutical rigid demand product
8	D-Proline	344-25-2	Raw material for β-lactam antibiotics, Chiral catalyst ligand, Food flavoring agent, Multi-field general use
9	L-Thioproline	34592-47-7	Peptide synthesis modification reagent, Raw material for antibacterial and antiviral drug R&D, Specialized for biopharmaceuticals
10	DL-Proline	609-36-9	Organic synthesis intermediate, Universal raw material for pharmaceuticals and food additives, High cost-performance ratio, Large market demand
11	DL-Pipecolinic acid	535-75-1	Organic synthesis intermediate, Raw material for pharmaceutical R&D, Universal reagent for chiral drug synthesis
12	DL-Prolinol	498-63-5	Chiral pharmaceutical intermediate, Raw material for liquid crystal materials and fragrances, Wide cross-industry applications
13	L-Proline	147-85-3	Core raw material for peptide synthesis, Food flavoring agent and feed additive, Rigid demand in pharmaceutical and food industries
14	L(-)-Pipecolinic acid	3105-95-1	Antibiotic synthesis intermediate, Chiral drug raw material, Stable demand for high-end pharmaceuticals
15	Nipecotic acid	498-95-3	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, Sufficient market supply
16	L-Proline hydrochloride	7776-34-3	Peptide synthesis reagent, Pharmaceutical intermediate, Common raw material for antibacterial drug production
17	DL-Proline Methyl Ester	52183-82-1	Organic synthesis intermediate, Universal raw material for pharmaceuticals and fragrances, Wide application scenarios
18	DL-Proline methyl ester hydrochloride	79397-50-5	Peptide synthesis protecting group reagent, Organic synthesis intermediate, Universal for pharmaceutical R&D
19	H-Pro-OMe.HCl	2133-40-6	Core reagent for peptide synthesis, Intermediate for antibiotics and antifungal drugs, One of the most consumed proline derivatives in the market
20	H-Pro-OtBu	2812-46-6	Chiral peptide synthesis reagent, Specialized for high-end pharmaceutical R&D, Antibody drug modification raw material
21	H-DL-PRO-NH2	2812-47-7	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Specialized raw material for biopharmaceuticals
22	L-Prolinamide	7531-52-4	Peptide synthesis coupling agent, Pharmaceutical intermediate, Core raw material for antibacterial and antiviral drug R&D
23	L-Prolinamide HCl	42429-27-6	Chiral pharmaceutical intermediate, Raw material for antihypertensive drug synthesis, High-end pharmaceutical rigid demand
24	N-Acetyl-L-Hydroxyproline (Oxaceprol)	33996-33-7	Cosmetic humectant and anti-allergic ingredient, Pharmaceutical intermediate, Booming demand in daily chemical field
25	D-Proline methyl ester HCl	65365-28-8	Chiral peptide synthesis reagent, Cephalosporin intermediate, Stable demand for high-end pharmaceuticals
26	D-Thioproline	45521-09-3	Peptide synthesis modification reagent, Raw material for antitumor drug R&D, Potential biopharmaceutical product
27	H-D-Pro-NH2.HCl	50894-62-7	Chiral pharmaceutical intermediate, Peptide synthesis coupling agent, Specialized for high-end R&D
28	H-Pro-NHEt.HCl	58107-62-3	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Specialized raw material for antidepressant drugs
29	DL-Proline ethyl ester HCl	60169-67-7	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
30	L-Proline benzyl ester hydrochloride	60668-01-1	Peptide synthesis protecting group reagent, Antibiotic intermediate, Common in biopharmaceuticals
31	(4R)-4-(Phenylmethoxy)-L-Proline HCl	66831-16-1	Chiral pharmaceutical intermediate, Raw material for antibacterial and antifungal drug synthesis
32	N-AC-D-PRO-OH	59785-68-1	Pharmaceutical and cosmetic intermediate, Antioxidant, Universal for daily chemicals and pharmaceuticals
33	(4S)-4-Amino-1-Boc-L-Proline	132622-66-3	Peptide synthesis protecting group reagent, β-lactam antibiotic intermediate, Specialized for high-end pharmaceuticals
34	α,α-Diphenyl-2-PyrrolidineMethanol	63401-04-7	Chiral catalyst ligand, Core reagent for asymmetric synthesis, High-end raw material for fine chemicals
35	D-Pipecolic acid methyl ester	43041-11-8	Chiral pharmaceutical intermediate, Peptide synthesis modification reagent, Specialized for biopharmaceuticals
36	Methyl D-Prolinate	43041-12-9	Peptide synthesis reagent, Pharmaceutical intermediate, Common for antibacterial drug R&D
37	H-D-HomoPro-OMe.HCl	18650-38-9	Peptide synthesis intermediate, Pharmaceutical R&D raw material, Specialized for chiral drug synthesis
38	L-Pipecolic Acid-OMe Hydrochloride	18650-39-0	Antibiotic synthesis intermediate, Chiral drug raw material, Stable demand for high-end pharmaceuticals
39	Acetylcaptopril	64838-55-7	Core intermediate for antihypertensive drugs, Rigid demand product for clinical drug production
40	H-D-trans-Hyp-OMe.HCl	481704-21-6	Peptide synthesis reagent, Intermediate for antihypertensive drugs, Specialized for chiral pharmaceuticals
41	(4S)-4-Hydroxy-L-Proline HCl	441067-49-8	Peptide synthesis intermediate, Cosmetic raw material, Dual functions of moisturizing and antibacterial, Fast growth in daily chemical field
42	4-Cis-Fluoro-L-Prolinamide HCl	426844-23-7	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antitumor drug R&D
43	H-cis-4-Fluoro-Pro-OH.HCl	1001354-51-3	High-end chiral pharmaceutical intermediate, Core raw material for antidepressant and antibacterial drug synthesis
44	(R)-γ-allyl-L-ProlineoHCl	1049755-14-7	Peptide synthesis modification reagent, Raw material for antiviral drug R&D, Potential biopharmaceutical product
45	D-β-Homoproline·HCl	439918-59-9	Chiral pharmaceutical intermediate, Specialized peptide synthesis reagent, Niche demand for high-end R&D
46	D-β-Prolinol	110013-18-8	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for liquid crystal materials, Rigid demand in high-end fine chemicals
47	L-β-Prolinol	110013-19-9	Chiral pharmaceutical intermediate, Peptide synthesis reagent, Raw material for antihypertensive drug R&D
48	D-Prolinol	68832-13-3	Chiral pharmaceutical intermediate, Raw material for fragrance synthesis, Cross-industry application in pharmaceuticals and daily chemicals
49	D-Proline ethyl ester hydrochloride	131477-20-8	Chiral peptide synthesis reagent, Cephalosporin intermediate, Stable demand for high-end pharmaceuticals
50	L-Proline-p-Nitroanilide	108321-19-3	Peptide synthesis detection reagent, Specialized raw material for pharmaceutical R&D, Auxiliary reagent for biopharmaceuticals
51	H-DL-Pro-NH2	115630-49-4	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
52	(S)-a-Benzylproline·HCl	637020-57-6	Chiral pharmaceutical intermediate, Raw material for antiepileptic drug synthesis, Specialized for high-end pharmaceuticals
53	N-Ac-Pro-Ome	27460-51-1	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common for antibacterial drug R&D
54	N-Acetyl-L-Prolinamide	16395-58-7	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Raw material for anxiolytic drug synthesis
55	N-Benzoyl-L-Proline	5874-58-8	Organic synthesis intermediate, Raw material for pharmaceuticals and dyes, Universal fine chemical product
56	trans-1-Benzoyl-4-Phenyl-L-Proline	120851-71-0	Chiral pharmaceutical intermediate, Raw material for antifungal drug synthesis, Specialized for high-end R&D
57	H-Cis-Hyp-Ome HCl	40126-30-5	Peptide synthesis reagent, Antibiotic intermediate, Common raw material for pharmaceutical production
58	H-Hyp-Obzl.HCl	62147-27-7	Chiral peptide synthesis reagent, High-end antibiotic intermediate, Specialized for biopharmaceuticals
59	H-Pro-OBzl.HCl	16652-71-4	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Core raw material for antibacterial and antiviral drug R&D
60	cis-4-Hydroxy-L-Proline	618-27-9	Cosmetic humectant, Pharmaceutical intermediate, Collagen synthesis raw material, Booming demand in daily chemical field
61	(R)-(+)-ɑ,ɑ-Diphenylprolinol	22348-32-9	Chiral catalyst ligand, Core reagent for asymmetric synthesis, High-end raw material for fine chemicals
62	(S)-(-)-α,α-Diphenylprolinol	112068-01-6	Chiral pharmaceutical intermediate, Raw material for antihypertensive drug synthesis, High-end catalyst ligand
63	α,α-Diphenyl-N-methyl-L-Prolinol	110529-22-1	Chiral catalyst ligand, Specialized reagent for asymmetric synthesis, Core raw material for pharmaceutical R&D
64	α,α-diphenyl-N-Methyl-D-Prolinol	144119-12-0	Chiral pharmaceutical intermediate, Raw material for antidepressant drug synthesis, Specialized for high-end R&D
65	trans-4-(tert-Butyldiphenylsilyloxy)-L-Proline	259212-61-8	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibody drug modification raw material
66	trans-4-Phenyl-L-proline hydrochloride	90657-53-7	Chiral pharmaceutical intermediate, Raw material for antipsychotic drug synthesis, Specialized for biopharmaceuticals
67	trans-4-Cyclohexyl-L-Proline HCl	90657-55-9	Chiral pharmaceutical intermediate, Raw material for lipid-lowering drug synthesis, Stable market demand
68	(2S,4R)-1-(4-Nitrobenzyloxycarbonyl)-4-Hydroxyproline	96034-57-0	Core intermediate for carbapenem antibiotics, High-end raw material for antibacterial drug production
69	cis-4-Hydroxy-D-Proline methyl ester hydrochloride	114676-59-4	Chiral peptide synthesis reagent, Pharmaceutical intermediate, Specialized for antifungal drug R&D
70	N-Acetyl-4-hydroxy-L-Proline	926905-71-7	Cosmetic antioxidant and humectant, Pharmaceutical intermediate, High-end product raw material in daily chemical field
71	N-Acetyl-L-Thioproline	54323-50-1	Peptide synthesis modification reagent, Raw material for anti-inflammatory drugs and antioxidants, Universal for pharmaceuticals and daily chemicals
72	D-Proline Ethyl Ester	96163-72-3	Chiral pharmaceutical intermediate, Peptide synthesis reagent, Specialized for high-end pharmaceuticals
73	N-Benzylproline	60169-72-4	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Raw material for antihistamine drug synthesis
74	(2S,4R)-4-cinnaMylpyrrolidine-2-Carboxylic acid	1049980-72-4	Chiral pharmaceutical intermediate, Raw material for antitumor drug synthesis, Potential high-end R&D product
75	(2R,4S)-4-Fluoropyrrolidine-2-Carboxylic acid hydrochloride	1143504-73-7	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antiviral drug R&D
76	H-Pro-Oipr.HCl	343962-74-3	Peptide synthesis reagent, Pharmaceutical intermediate, Common raw material for high-end pharmaceutical production
77	Cis-4-Cyclohexyl-L-Proline	785001-74-3	Chiral pharmaceutical intermediate, Raw material for antidepressant drug synthesis, Stable market demand
78	trans-1-benzoyl-4-Hydroxy-L-Proline	129512-75-0	Chiral pharmaceutical intermediate, Raw material for antifungal drug synthesis, Specialized for high-end R&D
79	L-β-Homoproline	56633-75-1	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Core reagent for chiral drug synthesis
80	(R)-γ-(3-Chloro-benzyl)-L-ProHCl	1049733-75-6	Chiral pharmaceutical intermediate, Raw material for antihypertensive drug synthesis, High-end pharmaceutical rigid demand
81	H-Pro-OtBu.HCl	5497-76-7	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common for antibacterial drug R&D
82	(2S,4R)-4-(4-Cyanobenzyl)pyrrolidine-2-Carboxylic acid hydrochloride	1266111-77-6	Chiral pharmaceutical intermediate, Raw material for antitumor drug synthesis, Potential biopharmaceutical product
83	trans-4-Cyclohexyl-L-Proline	103201-78-1	Chiral pharmaceutical intermediate, Raw material for lipid-lowering drug synthesis, Sufficient market supply
84	(2S,4R)-4-(2-Nitrobenzyl)pyrrolidine-2-Carboxylic acid hydrochloride	1049734-78-2	Chiral pharmaceutical intermediate, Raw material for antiviral drug R&D, Specialized for high-end R&D
85	Trans-4-Hydroxy-L-Proline Hydrochloride	32968-78-8	Peptide synthesis reagent, Pharmaceutical intermediate, Cosmetic raw material, Multi-field general use
86	N-AC-DL-Pro-OH	1074-79-9	Pharmaceutical and cosmetic intermediate, Antioxidant, Universal for daily chemicals and pharmaceuticals
87	D-Proline tert-butyl ester HCl	184719-80-0	Chiral peptide synthesis reagent, High-end pharmaceutical intermediate, Specialized for antibody drug R&D
88	(S)-1-N-Benzyl-Prolinol	53912-80-4	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for liquid crystal materials, Rigid demand in high-end fine chemicals
89	trans-4-Hydroxy-D-Proline HCl	142347-81-7	Chiral peptide synthesis reagent, Pharmaceutical intermediate, Specialized for antifungal drug R&D
90	Folcisteine	5025-82-1	Cosmetic whitening ingredient, Pharmaceutical intermediate, Dual functions of antioxidant and anti-inflammatory, Popular product in daily chemical field
91	H-Hyp-OMe·HCl	40216-83-9	Peptide synthesis reagent, Antibiotic intermediate, Common raw material for pharmaceutical production
92	2-Benzyl-L-Proline	86116-84-9	Chiral pharmaceutical intermediate, Raw material for antiepileptic drug synthesis, Specialized for high-end pharmaceuticals
93	Cis-4-Phenylthio-L-Proline HCl	105107-84-4	Peptide synthesis modification reagent, Raw material for antitumor drug R&D, Potential biopharmaceutical product
94	L-β-Homoproline hydrochloride	53912-85-9	Peptide synthesis intermediate, Pharmaceutical R&D raw material, Specialized for chiral drug synthesis
95	D-Proline Benzyl Ester Hydrochloride	53843-90-6	Chiral peptide synthesis reagent, Cephalosporin intermediate, Stable demand for high-end pharmaceuticals
96	Ethyl L-Thiazolidine-4-Carboxylate HCl	86028-91-3	Peptide synthesis reagent, Pharmaceutical intermediate, Common for antibacterial drug R&D
97	L-Proline p-Nitroanilide	7369-91-7	Peptide synthesis detection reagent, Specialized raw material for pharmaceutical R&D, Auxiliary reagent for biopharmaceuticals
98	1-Benzyl-L-Proline	31795-93-4	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Raw material for antihistamine drug synthesis
99	DL-β-Proline hydrochloride	953079-94-2	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
100	Cis-4-Hydroxy-D-Proline HCl	77449-94-6	Chiral peptide synthesis reagent, Pharmaceutical intermediate, Specialized for antifungal drug R&D
101	N-Acetyl-L-Proline	68-95-1	Pharmaceutical and cosmetic intermediate, Antioxidant, Universal for daily chemicals and pharmaceuticals, Large market demand
102	H-D-Thc-Oet.HCl	N/V	Peptide synthesis modification reagent, Raw material for antitumor drug R&D, Custom synthesis specialized product
103	1-Benzyl-D-Proline	56080-99-0	Chiral pharmaceutical intermediate, Raw material for antiepileptic drug synthesis, Specialized for high-end pharmaceuticals
104	L-Prolinol	23356-96-9	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for fragrance synthesis, Wide cross-industry applications
105	(R)-γ-(3,4-dichloro-benzyl)-L-Proline HCl	1049742-96-2	Chiral pharmaceutical intermediate, Raw material for antihypertensive drug synthesis, High-end pharmaceutical rigid demand

(2) CBZ-Proline and Derivatives

No.	Product Name	CAS No.	Product Description
106	CB2-D-Pro-OME	182210-00-0	Chiral peptide synthesis reagent, Cephalosporin intermediate, Specialized for high-end pharmaceutical R&D
107	Cbz-DL-Prolinamide	93188-01-3	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Specialized raw material for biopharmaceuticals
108	Cbz-DL-Prolinol	86954-05-4	Chiral pharmaceutical intermediate, Raw material for liquid crystal materials, Rigid demand in high-end fine chemicals
109	CBZ-L-PIP-OH	28697-09-8	Peptide synthesis intermediate, Antibiotic synthesis raw material, Specialized for high-end pharmaceuticals
110	Cbz-L-Pipecolic acid	28697-11-2	Chiral peptide synthesis reagent, Cephalosporin intermediate, Stable demand for high-end pharmaceuticals
111	CBZ-L-Proline	1148-11-4	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Core raw material for antibacterial and antiviral drug R&D
112	Cbz-4-Oxo-D-Pro-Ome	132431-11-9	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Potential biopharmaceutical product
113	CBZ-4-Oxo-Pro-OMe	16217-15-5	Antibiotic synthesis intermediate, Biological inhibitor, Universal raw material for pesticides and pharmaceuticals
114	Cbz-D-Prolinol	72597-18-3	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for fragrance synthesis, Wide cross-industry applications
115	Methyl N-Cbz-cis-4-Hydroxy-D-Prolinate	155075-23-3	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
116	Cbz-L-Proline methyl ester	5211-23-4	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common raw material for antibacterial drug production
117	CBZ-D-Cis-Hyp-OH	130930-25-5	Chiral peptide synthesis reagent, Antibiotic intermediate, Specialized for biopharmaceuticals
118	CBZ-D-Proline	6404-31-5	Chiral peptide synthesis reagent, Cephalosporin intermediate, Stable demand for high-end pharmaceuticals
119	Cbz-L-Prolinamide	34079-31-7	Peptide synthesis coupling agent, Pharmaceutical intermediate, Core raw material for antibacterial and antiviral drug R&D
120	CBZ-Pro-OSu	3397-33-9	Peptide synthesis coupling agent, Common reagent in biopharmaceuticals, Specialized for high-end R&D
121	Cbz-cis-4-Hydroxy-L-Proline methyl ester	57653-35-7	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
122	CBZ-PROLINE-OTBU	16881-39-3	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibody drug modification raw material
123	1-Cbz-trans-4-Hydroxy-L-Prolinol	95687-41-5	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for liquid crystal materials, Rigid demand in high-end fine chemicals
124	CBZ-D-PRO-NH2	62937-47-7	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Specialized raw material for biopharmaceuticals
125	Carbobenzyloxy-4-keto-L-Proline	64187-47-9	Antibiotic synthesis intermediate, Biological inhibitor, Universal raw material for pesticides and pharmaceuticals
126	Cbz-L-4-Hydroxyproline methyl ester	64187-48-0	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common for antibacterial drug R&D
127	Cbz-L-Prolinol	6216-63-3	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for fragrance synthesis, Wide cross-industry applications
128	1-N-Cbz-4-Hydroxy-β-Proline	886362-64-7	Chiral peptide synthesis reagent, Intermediate for antihypertensive drugs, Specialized for high-end pharmaceuticals
129	Cbz-D-Prolinamide	70138-72-6	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Specialized raw material for biopharmaceuticals
130	Cbz-2-Methyl-D-Proline	63399-74-6	Chiral pharmaceutical intermediate, Raw material for antiepileptic drug synthesis, Specialized for high-end R&D
131	Benzyloxycarbonylproline ethyl amide	55446-81-6	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Raw material for anxiolytic drug synthesis
132	Cbz-D-Prolinal	50463-82-6	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Potential biopharmaceutical product
133	Cbz-Hydroxy-L-Proline	13504-85-3	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Cosmetic humectant, Multi-field general use
134	CBZ-CIS-HYP-OH	13504-86-4	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
135	CBZ-Hyp(tBu)-OH	85201-91-8	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibody drug modification raw material
136	CBZ-Trans-4-Hydroxy-D-Proline	79433-95-7	Chiral peptide synthesis reagent, Pharmaceutical intermediate, Specialized for antihypertensive drug R&D
137	Cbz-DL-Proline	5618-96-2	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
138	CBZ-Hyp(tBu)-Ome	146951-99-7	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibiotic intermediate

(3) BOC-Proline and Derivatives

139	Boc-tAmp-OMe	121148-00-3	Peptide synthesis intermediate, Antibiotic synthesis raw material, Specialized for high-end pharmaceuticals
140	N-t-Butoxycarbonyl-trans-4-(4-Pyridinylmethyl)-L-Proline	959581-01-2	Chiral pharmaceutical intermediate, Raw material for antitumor drug synthesis, Potential biopharmaceutical product
141	Boc-L-β-Homoproline	56502-01-3	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Core reagent for chiral drug synthesis
142	Boc-Pro-NH2	35150-07-3	Peptide synthesis coupling agent, Pharmaceutical intermediate, Core raw material for antibacterial and antiviral drug R&D
143	Boc-DL-Prolinamide	54503-10-5	Chiral peptide synthesis reagent, High-end pharmaceutical intermediate, Specialized for antibody drug R&D
144	Boc-cis-D-Hyp-OH	135042-12-5	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
145	BOC-4,4-difluoro-L-Proline	203866-15-3	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antiviral drug R&D
146	Boc-a-Me-D-Pro-OH	166170-15-6	Chiral pharmaceutical intermediate, Raw material for antiepileptic drug synthesis, Specialized for high-end R&D
147	Boc-cis-4-Fluoro-L-Proline methyl ester	203866-16-4	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common raw material for high-end pharmaceutical production
148	Boc-D-beta-Proline	72925-16-7	Peptide synthesis intermediate, Pharmaceutical R&D raw material, Specialized for chiral drug synthesis
149	Boc-L-Thiazolidine-4-Carboxylic Acid	51077-16-8	Peptide synthesis modification reagent, Raw material for antibacterial and antiviral drug R&D, Specialized for biopharmaceuticals
150	Velpatasvir Impurity 5	1378388-16-9	Chiral pharmaceutical intermediate, Raw material for antihypertensive drug synthesis, Potential high-end R&D product
151	(2R,4S)-1-tert-Butyl 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate	135042-17-0	Chiral peptide synthesis reagent, Pharmaceutical intermediate, Specialized for antifungal drug R&D
152	Boc-D-Pro-OH	37784-17-1	Chiral peptide synthesis reagent, Cephalosporin intermediate, Stable demand for high-end pharmaceuticals
153	BOC-4,4-Difluoro-L-Proline methyl ester	203866-17-5	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common raw material for fluorine-containing drug R&D
154	Boc-D-HomoPro-OH	28697-17-8	Peptide synthesis intermediate, Antibiotic synthesis raw material, Specialized for high-end pharmaceuticals
155	BOC-trans-4-Fluoroproline methyl ester	203866-18-6	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antiviral drug R&D
156	BOC-(S)-Pyrrolidine-2-Thiocarboxamide	101410-18-8	Peptide synthesis coupling agent, Pharmaceutical intermediate, Specialized raw material for biopharmaceuticals
157	Boc-trans-3-hydroxy-D-Proline	335280-19-8	Chiral peptide synthesis reagent, Intermediate for antihypertensive drugs, Specialized for high-end pharmaceuticals
158	Boc-Trans-4-Hydroxy-L-Prolinol	61478-26-0	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for liquid crystal materials, Rigid demand in high-end fine chemicals
159	1-Boc-4-Oxo-D-Proline benzyl ester	224627-26-3	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Potential biopharmaceutical product
160	BOC-D-HYP-OTBU	862996-27-8	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibody drug modification raw material
161	BOC-cis-4-Hydroxy-L-Proline	87691-27-8	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
162	Boc-Pro-OMe	59936-29-7	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common raw material for antibacterial drug production
163	Boc-Hyp-Oet	37813-30-2	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common raw material for high-end pharmaceutical production
164	Boc-D-Pro-Osu	102185-34-2	Peptide synthesis coupling agent, Common reagent in biopharmaceuticals, Specialized for high-end R&D
165	Boc-4-Oxo-L-Proline	84348-37-8	Antibiotic synthesis intermediate, Biological inhibitor, Universal raw material for pesticides and pharmaceuticals
166	Boc-4-Methylene-L-Proline	84348-38-9	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Potential antitumor drug product
167	Boc-4-Methylene-L-Proline Methyl Ester	84348-39-0	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Antibiotic synthesis raw material
168	Boc-4-Piperidinyl-L-Proline	221352-39-2	Chiral pharmaceutical intermediate, Raw material for antiepileptic drug synthesis, Specialized for high-end R&D
169	Boc-L-Proline	15761-39-4	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Core raw material for antibacterial and antiviral drug R&D
170	Boc-trans-4-F-D-Proline-Ome	647857-39-4	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antiviral drug R&D
171	Boc-L-Prolinol	69610-40-8	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for fragrance synthesis, Wide cross-industry applications
172	Boc-L-Prolinal	69610-41-9	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Potential biopharmaceutical product
173	BOC-HYP-OBZL	89813-47-8	Chiral peptide synthesis reagent, High-end antibiotic intermediate, Specialized for biopharmaceuticals
174	Boc-DL-Proline	59433-50-0	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
175	Boc-Tran-4-Fluoro-D-Proline	681128-50-7	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antiviral drug R&D
176	Boc-3,4-dehydro-D-Proline Methyl ester	220652-51-7	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Potential antitumor drug product
177	(4R)-1-Boc-4-fluoro-D-Proline	681128-51-8	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antiviral drug R&D
178	Boc-D-Prolinol	83435-58-9	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for fragrance synthesis, Rigid demand in high-end fine chemicals
179	BOC-(S)-ALLYL-PRO-OH	706806-59-9	Chiral pharmaceutical intermediate, Raw material for antiepileptic drug synthesis, Specialized for high-end R&D
180	Boc-R-α-Bzl-Pro-OH	706806-60-2	Chiral pharmaceutical intermediate, Raw material for antihypertensive drug synthesis, High-end pharmaceutical rigid demand
181	Boc-D-β-Homoproline	101555-60-6	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Core reagent for chiral drug synthesis
182	Boc-(S)-a-Benzyl-Proline	706806-61-3	Chiral pharmaceutical intermediate, Raw material for antiepileptic drug synthesis, Specialized for high-end R&D
183	Ethyl (R)-1-Boc-3-pyrrolidinecarboxylate	1314419-65-2	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common raw material for high-end pharmaceutical production
184	Boc-D-Pro-Ome	73323-65-6	Chiral peptide synthesis reagent, Cephalosporin intermediate, Stable demand for high-end pharmaceuticals
185	Boc-(s)-α-(4-Fluorobenzyl)-Pro-OH	706806-65-7	Chiral pharmaceutical intermediate, Raw material for antitumor drug synthesis, Potential biopharmaceutical product
186	Boc-Pro-ONP	28310-65-8	Peptide synthesis detection reagent, Specialized raw material for pharmaceutical R&D, Auxiliary reagent for biopharmaceuticals
187	1-Boc-3-(hydroxymethyl)pyrrolidine	114214-69-6	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for fragrance synthesis, Wide cross-industry applications
188	Boc-Cis-D-Hyp-OMe	114676-69-6	Chiral peptide synthesis reagent, Pharmaceutical intermediate, Specialized for antifungal drug R&D
189	Boc-L-Hydroxyproline	13726-69-7	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Cosmetic humectant, Multi-field general use
190	Boc-D-Proline	140148-70-5	Peptide synthesis intermediate, Pharmaceutical R&D raw material, Specialized for chiral drug synthesis
191	Boc-D-Pro-NH2	70138-72-6	Peptide synthesis intermediate, Pharmaceutical R&D reagent, Specialized raw material for biopharmaceuticals
192	Boc-α-Benzyl-DL-Pro-OH	351002-72-7	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
193	Boc-4,4-difluoro-D-Proline Methyl Ester	647857-74-7	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antiviral drug R&D
194	1-Boc-pyrrolidine-3-Carboxylic acid	59378-75-5	Peptide synthesis intermediate, Pharmaceutical R&D raw material, Specialized for chiral drug synthesis
195	Boc-4-Oxo-L-Proline methyl ester	256487-77-1	Antibiotic synthesis intermediate, Biological inhibitor, Universal raw material for pesticides and pharmaceuticals
196	(2S,4R)-N-Boc-trans-4-Mercapto-L-Proline	958879-77-1	Peptide synthesis modification reagent, Raw material for antibacterial and antiviral drug R&D, Specialized for biopharmaceuticals
197	Boc-cis-Hyp-Ome	102195-79-9	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
198	1-Boc-2-Methyl-DL-Proline	203869-80-1	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
199	Boc-4-Oxo-Pro-OMe	102195-80-2	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common for antibacterial drug R&D
200	Boc-Hyp(Bzl)-OH	54631-81-1	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibiotic intermediate
201	Boc-4-Me-Pro-OH	364750-81-2	Chiral pharmaceutical intermediate, Raw material for antihypertensive drug synthesis, High-end pharmaceutical rigid demand
202	BOC-(R)-GAMMA-ALLYL-L-PROLINE	224645-82-3	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Potential antitumor drug product
203	Boc-α-(4-Methylbenzyl)-DL-Pro-OH	351002-82-9	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
204	Boc-DL-Proline ethyl ester	125347-83-3	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, Wide application scenarios
205	(2S,4R)-1-(tert-butoxycarbonyl)-4-(2,4-dichlorobenzyl)pyrrolidine-2-Carboxylic acid	959582-83-3	Chiral pharmaceutical intermediate, Raw material for antihypertensive drug synthesis, High-end pharmaceutical rigid demand
206	Boc-L-HomoPro-OH	26250-84-0	Peptide synthesis intermediate, Antibiotic synthesis raw material, Specialized for high-end pharmaceuticals
207	Boc-4-Oxo-D-Proline	364077-84-9	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common for antibacterial drug R&D
208	Boc-alpha-(2-broMobenzyl)-DL-Pro-OH	351002-85-2	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
209	Boc-trans-4-Hydroxy-L-Proline methyl ester	74844-91-0	Chiral peptide synthesis reagent, Pharmaceutical intermediate, Specialized for antifungal drug R&D
210	Boc-D-2-Piperidinecarboxamide	848488-91-5	Peptide synthesis coupling agent, Pharmaceutical intermediate, Specialized raw material for biopharmaceuticals
211	Boc-trans-4-hydroxy-D-Proline	147266-92-0	Chiral peptide synthesis reagent, Intermediate for antihypertensive drugs, Specialized for high-end pharmaceuticals

(4) FMOC-Proline and Derivatives

212	1-Fmoc-4,4-dimethyl-L-Proline	80336-01-5	Chiral peptide synthesis reagent, Specialized for high-end pharmaceutical R&D, Antibody drug modification raw material
213	Fmoc-Hyp(Bzl)-OH	174800-02-3	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Common for antibacterial drug R&D
214	Boc-cis-4-Fmoc-Amino-L-Proline	174148-03-9	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibiotic intermediate
215	Fmoc-L-4-Phosphonomethylphenylalanine	189249-10-3	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
216	Fmoc-L-Hydroxyproline	88050-17-3	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Cosmetic humectant, Multi-field general use
217	FMoc-DL-Pipecolic acid	105751-19-7	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio
218	(4R)-1-Fmoc-4-Fluoro-L-Proline	203866-20-0	Chiral fluorine-containing pharmaceutical intermediate, Raw material for antibacterial and antiviral drug R&D
219	Fmoc-trans-4-Hydroxy-D-Proline	139262-20-7	Chiral peptide synthesis reagent, Intermediate for antihypertensive drugs, Specialized for high-end pharmaceuticals
220	Fmoc-L-Thioproline	135054-21-4	Peptide synthesis modification reagent, Raw material for antibacterial and antiviral drug R&D, Specialized for biopharmaceuticals
221	Fmoc-Pro-OH	71989-31-6	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, Core raw material for antibacterial and antiviral drug R&D
222	Fmoc-Pro-ONP	71989-32-7	Peptide synthesis detection reagent, Specialized raw material for pharmaceutical R&D, Auxiliary reagent for biopharmaceuticals
223	FMOC-HYP(3)-OH	296774-32-8	Chiral peptide synthesis reagent, Intermediate for antihypertensive drugs, Specialized for high-end pharmaceuticals
224	Fmoc-trans-4-methyl-L-Pro-OH	333777-34-7	Chiral pharmaceutical intermediate, Raw material for antidepressant drug synthesis, Stable market demand
225	Fmoc-Hyp-OBz	439290-35-4	Peptide synthesis protecting group reagent, Pharmaceutical intermediate, High-end antibiotic intermediate, Specialized for biopharmaceuticals
226	FMOC-D-PROLYL CHLORIDE	171905-37-6	Peptide synthesis coupling agent, Common reagent in biopharmaceuticals, Specialized for high-end R&D
227	Fmoc-Pro-OPFP	125281-38-1	Peptide synthesis coupling agent, Common reagent in biopharmaceuticals, Specialized for high-end R&D
228	Fmoc-cis-4-Hydroxy-D-proline	214852-45-6	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
229	Fmoc-Hyp(tBu)-OH	122996-47-8	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibody drug modification raw material
230	Fmoc-Hyp-OMe	122350-59-8	Chiral peptide synthesis reagent, Pharmaceutical intermediate, Specialized for antihypertensive drug R&D
231	Fmoc-L-β-Homoproline	193693-60-6	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Core reagent for chiral drug synthesis
232	Fmoc-D-β-Homoproline	193693-61-7	Peptide synthesis intermediate, Specialized raw material for pharmaceutical R&D, Core reagent for chiral drug synthesis
233	Fmoc-D-Pro-OH	101555-62-8	Chiral peptide synthesis reagent, Cephalosporin intermediate, Stable demand for high-end pharmaceuticals
234	FMOC-ABPC(2S,4R)-OH	176486-63-8	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibiotic intermediate
235	Fmoc-D-Pipecolic acid	101555-63-9	Peptide synthesis intermediate, Antibiotic synthesis raw material, Specialized for high-end pharmaceuticals
236	Fmoc-β-Pro-OH	193693-66-2	Peptide synthesis intermediate, Pharmaceutical R&D raw material, Specialized for chiral drug synthesis
237	Fmoc-Prolinol	148625-77-8	Chiral catalyst ligand, Pharmaceutical intermediate, Raw material for fragrance synthesis, Wide cross-industry applications
238	Fmoc-cis-3-Hydroxy-L-Proline	648930-78-3	Chiral peptide synthesis reagent, Antifungal drug intermediate, Specialized for high-end pharmaceuticals
239	Fmoc-L-Pipecolic acid	86069-86-5	Peptide synthesis intermediate, Antibiotic synthesis raw material, Specialized for high-end pharmaceuticals
240	Fmoc-D-Thz-OH	198545-89-0	Peptide synthesis modification reagent, Raw material for antitumor drug R&D, Potential biopharmaceutical product
241	Fmoc-Pro-OPfp	86060-90-4	Peptide synthesis coupling agent, Common reagent in biopharmaceuticals, Specialized for high-end R&D
242	Fmoc-D-Hyp(tBu)-OH	464193-92-8	Peptide synthesis protecting group reagent, Specialized for high-end pharmaceutical R&D, Antibody drug modification raw material
243	Fmoc-L-Pro-Osu	109074-94-4	Peptide synthesis coupling agent, Common reagent in biopharmaceuticals, Specialized for high-end R&D
244	Fmoc-DL-Proline	144829-96-9	Organic synthesis intermediate, Universal raw material for pharmaceuticals and pesticides, High cost-performance ratio

Proline Series

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