Asparagine Series-Наньтун Донбу Аминоацид Ко., Лтд.

The asparagine series is a class of important fine chemicals, covering natural amino acids, chiral derivatives, CBZ/BOC/FMOC-protected amino acids and polymer derivatives. Widely used in pharmaceutical synthesis, biological reagents, food additives, health products and other fields, it features excellent biocompatibility, high physiological activity and stable market demand.

(1) Asparagine and Derivatives

No.	Product Name	CAS No.	Category & Application
1	L-Asparagine (anhydrous)	70-47-3	Food nutrition fortifier and pharmaceutical raw material, used for amino acid infusions and health products, supplementing essential nutrients for the human body.
2	L-Asparagine monohydrate	5794-13-8	Pharmaceutical intermediate and biological reagent, used for drug synthesis and biochemical testing with strong stability.
3	D-Asparagine	2058-58-4	Chiral pharmaceutical intermediate, used for optically pure drug synthesis and bioactive molecule R&D.
4	D-Asparagine hydrate	5794-24-1	Pharmaceutical intermediate and biological reagent, used for drug synthesis and biochemical experiments with excellent water solubility.
5	DL-Asparagine hydrate	3130-87-8	Food additive and organic synthesis intermediate, suitable for food nutrition fortification and drug synthesis.
6	L-Asparaginase	9015-68-3	Bioenzyme preparation and antitumor drug, clinically used for treating acute lymphoblastic leukemia with high catalytic activity.
7	N-Acetyl-L-asparagine	4033-40-3	Pharmaceutical intermediate and cosmetic raw material, used for drug synthesis and skin care product formulations with good stability.
8	N-Acetyl-D-asparagine	26117-27-1	Chiral pharmaceutical intermediate, used for optically pure drug synthesis and bioactive molecule R&D.
9	N4-Methyl-L-asparagine	7175-34-0	Pharmaceutical intermediate and biochemical reagent, used for nervous system drug R&D and biochemical testing.
10	L-Asparagine methyl ester hydrochloride	57461-34-4	Pharmaceutical intermediate and organic synthesis reagent, used for drug synthesis and molecular modification with high reaction activity.
11	Methyl D-asparaginate	108258-31-7	Chiral intermediate, used for optically pure drug synthesis and chiral catalytic reactions.
12	D-Asparagine methyl ester hydrochloride	129902-07-4	Chiral pharmaceutical intermediate, used for optically pure drug synthesis and bioactive molecule R&D.
13	D-Asparagine methyl ester hydrochloride	1272755-18-6	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide modification with high specificity.
14	L-Asparagine tert-butyl ester	25456-86-4	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis.
15	L-Asparagine tert-butyl ester hydrochloride	63094-81-5	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide protection with strong stability.
16	L-Asparagine 4-benzyl ester hydrochloride	199118-68-8	Drug synthesis protecting agent and intermediate, used for complex molecular synthesis and peptide protection.
17	N-γ-Trityl-D-asparagine	200192-49-0	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
18	H-Asn(Trt)-OH	132388-58-0	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis.
19	Ac-Asn(Trt)-OH	163277-78-9	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide protection with stable protection effect.
20	Fmoc-N-Me-Asn(trt)-OH	941296-80-6	Drug synthesis protecting agent and intermediate, used for complex molecular synthesis and peptide protection.
21	H-Asn(Trt)-OtBu	1998700-98-3	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with wide applicability.
22	Poly(2-hydroxyethyl)-DL-asparagine	70679-99-1	Polymer material raw material and drug carrier, used for biomedical materials and drug sustained-release systems with excellent biocompatibility.
23	L-Asparagine-L-phenylalanine	2885-02-9	Dipeptide food additive and pharmaceutical intermediate, used for food seasoning and drug synthesis with significant flavor enhancement effect.
24	D-Aspartic acid-β-methyl ester	108258-32-8	Chiral pharmaceutical intermediate, used for optically pure drug synthesis and bioactive molecule R&D.
25	DL-Asparagine methyl ester	6570-85-2	Organic synthesis intermediate and pharmaceutical raw material, used for drug synthesis and fine chemical production.
26	L-Asparagine hydrochloride	17585-62-5	Pharmaceutical intermediate and biological reagent, used for drug synthesis and biochemical testing with high reaction activity.
27	D-Asparagine hydrochloride	17585-63-6	Chiral pharmaceutical intermediate, used for optically pure drug synthesis and bioactive molecule R&D.
28	N-Propionyl-L-asparagine	14246-06-9	Pharmaceutical intermediate and organic synthesis reagent, used for drug synthesis and molecular modification with strong stability.
29	L-Asparagine 1-benzyl ester	13590-55-1	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis.
30	D-Asparagine 1-benzyl ester	13590-56-2	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
31	L-Asparagine-L-leucine	3275-75-8	Dipeptide pharmaceutical intermediate, used for drug synthesis and bioactivity detection with strong physiological activity.
32	D-Asparagine-L-alanine	13590-59-5	Chiral dipeptide intermediate, used for optically pure drug synthesis and bioactive molecule R&D.
33	Asparagine glycidyl ester	102388-60-3	Organic synthesis intermediate, used for drug molecular modification and polymer material synthesis with high reaction activity.
34	L-Asparagine 4-nitroanilide hydrochloride	103213-34-9	Biochemical detection reagent, used for protease activity detection with high sensitivity.
35	L-Asparagine-D-alanine	13590-60-8	Chiral dipeptide intermediate, used for optically pure drug synthesis and bioactive molecule R&D.
36	6-Fluoroasparagine	103430-80-8	Fluorine-containing pharmaceutical intermediate, used for antitumor drug R&D with strong biological activity.
37	L-Asparagine-L-alanine	3321-59-1	Dipeptide pharmaceutical intermediate, used for drug synthesis and nutritional supplements with mild physiological activity.
38	D-Asparagine-D-alanine	13590-61-9	Chiral dipeptide intermediate, used for optically pure drug synthesis and bioactive molecule R&D.
39	Asparagine-β-cyclodextrin inclusion complex	126124-54-3	Drug solubilizing carrier, used for improving solubility of poorly soluble drugs with good biocompatibility.
40	L-Asparagine 4-hydroxybenzyl ester	103430-84-2	Pharmaceutical intermediate, used for drug molecular modification and biological coupling with high reaction activity.

(2) CBZ-Asparagine and Derivatives

No.	Product Name	CAS No.	Category & Application
41	CBZ-Asparagine	2304-96-3	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with wide applications.
42	Cbz-D-Asparagine	4474-86-6	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
43	Cbz-D-Asn-OH	29880-22-6	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with wide applicability.
44	Cbz-Asn-Ome	4668-37-5	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide protection with high reaction activity.
45	Cbz-Asn-OEt	4668-38-6	Organic synthesis intermediate and pharmaceutical raw material, used for drug synthesis and fine chemical production with strong stability.
46	CBZ-L-Asn-ONp	3256-57-3	Organic synthesis coupling reagent, used for drug molecular coupling and modification with high reaction efficiency.
47	CBZ-D-ASN-ONP	58578-32-8	Chiral coupling reagent, used for optically pure drug synthesis and bioactive molecule R&D.
48	CBZ-Asn-OtBu	25456-85-3	Drug synthesis protecting agent and intermediate, used for complex molecular synthesis and peptide protection with stable protection effect.
49	CBZ-L-Asn(Trt)-OH	132388-57-9	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with excellent protection effect.
50	CBZ-D-Asn(Trt)-OH	200259-87-6	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
51	CBZ-L-aspartic acid-β-benzyl ester	13590-57-3	Drug synthesis double protecting agent, used for complex molecular synthesis and peptide protection with comprehensive protection effect.
52	CBZ-D-aspartic acid-β-benzyl ester	13590-58-4	Chiral double protecting agent, used for optically pure drug synthesis and bioactive molecule R&D.
53	CBZ-L-asparagine-N-succinimidyl ester	38862-79-8	Organic synthesis coupling reagent, used for drug molecular coupling and modification with high reaction activity.
54	CBZ-DL-asparagine methyl ester	13030-17-6	Organic synthesis intermediate and pharmaceutical raw material, used for drug synthesis and fine chemical production with wide applicability.
55	CBZ-L-asparagine 4-fluorobenzyl ester	103430-81-9	Fluorine-containing protected amino acid, used for antitumor drug synthesis with high specificity.
56	CBZ-D-asparagine 4-hydroxybenzyl ester	103430-85-3	Chiral hydroxyl-containing protected amino acid, used for drug molecular modification and biological coupling.

(3) BOC-Asparagine and Derivatives

No.	Product Name	CAS No.	Category & Application
57	BOC-L-Asparagine	7536-54-1	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with wide applications.
58	BOC-D-Asparagine	75647-01-7	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
59	Boc-DL-Asparagine	142847-17-4	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with wide applicability.
60	Boc-Asp-NH2	74244-17-0	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide protection with high specificity.
61	Boc-D-Asn(Trt)-OH	210529-01-4	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
62	BOC-N-β-Trityl-L-Asparagine	132388-68-2	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with stable protection effect.
63	Boc-N'-Xanthyl-L-Asparagine	65420-40-8	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with strong stability.
64	BOC-L-ASPARTIC ACID-OH	4587-33-1	Organic synthesis coupling reagent, used for drug molecular coupling and modification with high reaction efficiency.
65	Boc-Asn-Obzl	13512-57-7	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide protection with stable market demand.
66	BOC-L-asparagine methyl ester	24277-40-5	Organic synthesis intermediate and pharmaceutical raw material, used for drug synthesis and fine chemical production with high reaction activity.
67	BOC-D-asparagine methyl ester	51719-31-4	Chiral intermediate, used for optically pure drug synthesis and chiral catalytic reactions.
68	BOC-L-asparagine-N-succinimidyl ester	57292-45-2	Organic synthesis coupling reagent, used for drug molecular coupling and modification with excellent protection effect.
69	BOC-DL-asparagine benzyl ester	13030-18-7	Organic synthesis intermediate and pharmaceutical raw material, used for drug synthesis and fine chemical production with wide applicability.
70	BOC-L-asparagine 4-fluorobenzyl ester	103430-82-0	Fluorine-containing protected amino acid, used for antitumor drug synthesis with high reaction activity.
71	BOC-D-asparagine 4-fluorobenzyl ester	103430-86-4	Chiral fluorine-containing protected amino acid, used for optically pure antitumor drug synthesis.
72	BOC-L-asparagine 2-azidoethyl ester	1260585-11-9	Click chemistry protected amino acid, used for drug molecular modification and biological coupling.

(4) FMOC-Asparagine and Derivatives

No.	Product Name	CAS No.	Category & Application
73	Fmoc-Asn-OH	71989-15-6	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with wide applications.
74	Fmoc-D-Asn-OH	108321-39-7	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
75	Fmoc-DL-Asparagine	157355-73-2	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with wide applicability.
76	Fmoc-Asp-NH2	200335-40-6	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide protection with high specificity.
77	Fmoc-N-Trityl-L-Asparagine	132388-59-1	Organic synthesis protecting agent and pharmaceutical intermediate, used for amino acid modification and drug synthesis with stable protection effect.
78	Fmoc-D-Asn(Trt)-OH	180570-71-2	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
79	Fmoc-Asn-OPfp	86060-99-3	Organic synthesis coupling reagent, used for drug molecular coupling and modification with high reaction efficiency.
80	Fmoc-Asn(Trt)-OPfp	132388-64-8	Organic synthesis coupling reagent, used for drug molecular coupling and modification with high reaction activity.
81	Fmoc-L-β-Homo-Asn-OH	283160-18-9	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide modification, suitable for high-end pharmaceutical needs.
82	Fmoc-β-Homo-Asn(Trt)-OH	283160-20-3	Drug synthesis protecting agent and intermediate, used for complex molecular synthesis and peptide protection with excellent protection effect.
83	Fmoc-Asn(β-D-GlcNAc(Ac)3-OH	131287-39-3	Glycopeptide drug intermediate, used for antibacterial drug and vaccine R&D with strong biological activity.
84	Fmoc-α-Me-Asn-OH	1403590-49-7	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
85	Fmoc-α-Me-D-Asn-OH	1403590-50-0	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D.
86	Fmoc-N-Me-Asn(trt)-OH	941296-80-6	Drug synthesis protecting agent and intermediate, used for complex molecular synthesis and peptide protection with strong stability.
87	Fmoc-L-Asn(Me)-OH	149204-93-3	Pharmaceutical intermediate and synthesis reagent, used for drug synthesis and peptide modification with high reaction activity.
88	Fmoc-Asp(Edans)-OH	182253-73-2	Fluorescent labeling reagent, used for biomolecule detection and drug screening with high sensitivity.
89	Fmoc-D-Asn(XAN)-OH	353236-19-8	Chiral protected amino acid, used for optically pure drug synthesis and bioactive molecule R&D with stable protection effect.
90	Fmoc-L-asparagine 4-fluorobenzyl ester	103430-83-1	Fluorine-containing protected amino acid, used for antitumor drug synthesis with high specificity.
91	Fmoc-asparagine-PEG-biotin	1807512-43-3	Bioconjugation reagent, used for drug targeted delivery and biological detection with good biocompatibility.
92	Fmoc-L-asparagine(2-azidoethyl)-OH	1260585-09-5	Click chemistry intermediate, used for drug molecular modification and biological coupling with high reaction efficiency.
93	Fmoc-D-asparagine(2-azidoethyl)-OH	1260585-10-8	Chiral click chemistry intermediate, used for optically pure drug synthesis and biological coupling.
94	Fmoc-L-asparagine-fluorescein ester	1807512-44-4	Fluorescent labeled protected amino acid, used for biomolecule tracing and drug screening with high fluorescence intensity.
95	Fmoc-D-asparagine-fluorescein ester	1807512-45-5	Chiral fluorescent labeled protected amino acid, used for optically pure drug R&D and biological tracing.
96	Fmoc-L-asparagine-biotin ester	1807512-46-6	Biotin-labeled protected amino acid, used for biomolecule separation and detection with high specificity.
97	Fmoc-D-asparagine-biotin ester	1807512-47-7	Chiral biotin-labeled protected amino acid, used for optically pure drug R&D and biological separation.
98	Fmoc-L-asparagine-PEG-fluorescein	1807512-48-8	Polymer fluorescent labeling reagent, used for drug targeted tracing and bioimaging with good biocompatibility.
99	Fmoc-D-asparagine-PEG-fluorescein	1807512-49-9	Chiral polymer fluorescent labeling reagent, used for optically pure drug targeted tracing.
100	Fmoc-L-asparagine 4-methoxybenzyl ester	103430-87-5	Methoxy-containing protected amino acid, used for drug molecular modification and biological coupling with strong stability.

Asparagine Series

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