1-Boc-2-methyl-DL-proline

1-Boc-2-甲基-DL-脯氨酸

Also known as: Boc-α-Me-DL-Pro-OH, 1-(tert-Butoxycarbonyl)-2-methylpyrrolidine-2-carboxylic acid, 1-(tert-Butoxycarbonyl)-2-methylproline, 1-Boc-2-methyl-2-pyrrolidinecarboxylic acid, 2-methyl-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carboxylic acid, 1,2-Pyrrolidinedicarboxylic acid, 2-methyl-, 1-(1,1-dimethylethyl) ester

1-Boc-2-methyl-DL-proline (CAS 203869-80-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H19NO4 and a molecular weight of 229.273 g/mol. It is also known as Boc-α-Me-DL-Pro-OH, 1-(tert-Butoxycarbonyl)-2-methylpyrrolidine-2-carboxylic acid and 1-(tert-Butoxycarbonyl)-2-methylproline. Key properties include a boiling point of 337.762°C at 760 mmHg, a density of 1.16g/cm3 and a flash point of 158.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 203869-80-1
Jingsj CID: J-1455014-0
Molecular Formula: C₁₁H₁₉NO₄
Chinese Name: 1-Boc-2-甲基-DL-脯氨酸
Molecular Weight: 229.273 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	337.762°C at 760 mmHg
Density	1.16g/cm3
Flash Point	158.1±25.9 °C

Frequently Asked Questions

What is the CAS number of 1-Boc-2-methyl-DL-proline?

The CAS number of 1-Boc-2-methyl-DL-proline is 203869-80-1.

What are the molecular formula and molecular weight of 1-Boc-2-methyl-DL-proline?

1-Boc-2-methyl-DL-proline has molecular formula C11H19NO4 and molecular weight 229.273 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-Boc-2-methyl-DL-proline (CAS 203869-80-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1455014-0 (accessed 2026-10-22).

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