1-tert-butyl 2-methyl (2S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate

(S)-1-叔丁氧羰基-4,4-二甲基吡咯烷-2-羧酸甲酯

Also known as: 1-Boc-4,4-dimethyl-L-proline Methyl Ester, (S)-1-Boc-4,4-dimethyl-pyrrolidine-2-carboxylic acid methyl ester, (S)-1-tert-butyl 2-Methyl 4,4-diMethylpyrrolidine-1,2-dicarboxylate, 1,2-Pyrrolidinedicarboxylic acid, 4,4-dimethyl-, 1-(1,1-dimethylethyl) 2-methyl ester, (2S)-, L-Boc-4,4-dimethylproline, 1-O-tert-butyl 2-O-methyl (2S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate

1-tert-butyl 2-methyl (2S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate (CAS 138423-86-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H21NO4 and a molecular weight of 243.299 g/mol. It is also known as 1-Boc-4,4-dimethyl-L-proline Methyl Ester, (S)-1-Boc-4,4-dimethyl-pyrrolidine-2-carboxylic acid methyl ester and (S)-1-tert-butyl 2-Methyl 4,4-diMethylpyrrolidine-1,2-dicarboxylate. Key properties include a boiling point of 345.1±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 162.5±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
138423-86-6
Jingsj CID
J-1428818-2
Molecular Formula
C12H21NO4
Chinese Name
(S)-1-叔丁氧羰基-4,4-二甲基吡咯烷-2-羧酸甲酯
Molecular Weight
243.299 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point345.1±35.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point162.5±25.9 °C

Frequently Asked Questions

What is the CAS number of 1-tert-butyl 2-methyl (2S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate?

The CAS number of 1-tert-butyl 2-methyl (2S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate is 138423-86-6.

What are the molecular formula and molecular weight of 1-tert-butyl 2-methyl (2S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate?

1-tert-butyl 2-methyl (2S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate has molecular formula C12H21NO4 and molecular weight 243.299 g/mol.

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

Last updated:

How to cite: Jingsj. "1-tert-butyl 2-methyl (2S)-4,4-dimethylpyrrolidine-1,2-dicarboxylate (CAS 138423-86-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1428818-2 (accessed 2026-10-22).

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