Shanghai Nianxing Industrial Co., Ltd
China
Product Name: n-boc-cis-4-cyano-l-proline methyl ester
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

487048-28-2

487048-28-2 structure

487048-28-2 structure

Name: n-boc-cis-4-cyano-l-proline methyl ester
Chemical Name: 1-O-tert-butyl 2-O-methyl (2S,4S)-4-cyanopyrrolidine-1,2-dicarboxylate
CAS Number: 487048-28-2
Molecular Formula: C₁₂H₁₈N₂O₄
Molecular Weight: 254.28200
Catalog: Biochemical Amino acids and their derivatives Proline derivatives
Create Date: 2018-10-15 13:48:24
Modify Date: 2025-08-26 19:50:01

Name	1-O-tert-butyl 2-O-methyl (2S,4S)-4-cyanopyrrolidine-1,2-dicarboxylate
Synonyms	1-tert-butyl 2-methyl (2S,4S)-4-cyanopyrrolidine-1,2-dicarboxylate N-Boc-cis-4-cyano-L-proline methyl ester (2S,4S)-1-tert-butyl 2-methyl 4-cyanopyrrolidine-1,2-dicarboxylate (2S,4S)-4-cyano-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester Velpatasvir Intermediate 2

Density	1.17
Boiling Point	366.4±42.0 °C(Predicted)
Molecular Formula	C₁₂H₁₈N₂O₄
Molecular Weight	254.28200
Exact Mass	254.12700
PSA	79.63000
LogP	1.24648

Hazard Codes	Xi
HS Code	2933990090

Precursor 7
773837-37-9 88043-21-4 84520-67-2 74844-91-0
40216-83-9 24424-99-5 51-35-4
DownStream 1
132622-71-0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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