(2S,4S)-4-(Methoxymethyl)-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) ester

(2S,4S)-4-(甲氧基甲基)-1,2-吡咯烷二甲酸1-叔丁基酯

Also known as: (2S,4S)-1-(tert-Butoxycarbonyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid, (2S,4S)-1-Boc-4-(methoxymethyl)pyrrolidine-2-carboxylic acid, (4S)-4-(Methoxymethyl)-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-proline, N-tert-Butoxycarbonyl-(4S)-4-methoxymethyl-L-proline, Velpatasvir Intermediate 3, GS-5816 intermediate, 1,2-Pyrrolidinedicarboxylic acid, 4-(methoxymethyl)-, 1-(1,1-dimethylethyl) ester, (2S,4S)-

(2S,4S)-4-(Methoxymethyl)-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) ester (CAS 1378388-16-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H21NO5 and a molecular weight of 259.299 g/mol. It is also known as (2S,4S)-1-(tert-Butoxycarbonyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid, (2S,4S)-1-Boc-4-(methoxymethyl)pyrrolidine-2-carboxylic acid and (4S)-4-(Methoxymethyl)-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-L-proline. Key properties include a boiling point of 371.2±27.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 178.3±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1378388-16-9
Jingsj CID
J-1987894-6
Molecular Formula
C12H21NO5
Chinese Name
(2S,4S)-4-(甲氧基甲基)-1,2-吡咯烷二甲酸1-叔丁基酯
Molecular Weight
259.299 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point371.2±27.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point178.3±23.7 °C

Frequently Asked Questions

What is the CAS number of (2S,4S)-4-(Methoxymethyl)-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) ester?

The CAS number of (2S,4S)-4-(Methoxymethyl)-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) ester is 1378388-16-9.

What are the molecular formula and molecular weight of (2S,4S)-4-(Methoxymethyl)-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) ester?

(2S,4S)-4-(Methoxymethyl)-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) ester has molecular formula C12H21NO5 and molecular weight 259.299 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(2S,4S)-4-(Methoxymethyl)-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) ester (CAS 1378388-16-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1987894-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.