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1-Methyl-L-proline monohydrate

N-甲基-L-脯氨酸一水合物

Also known as: N-Methyl-L-proline monohydrate, (2S)-1-methylpyrrolidine-2-carboxylic acid hydrate, (S)-1-Methylpyrrolidine-2-carboxylic acid hydrate, 1-Methyl-L-proline hydrate (1:1), L-1-Methylproline monohydrate, L-Proline, 1-methyl-, monohydrate (9CI), N-Methyl-L-proline hydrate, MFCD00149962

1-Methyl-L-proline monohydrate (CAS 199917-42-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H13NO3 and a molecular weight of 147.172 g/mol. It is also known as N-Methyl-L-proline monohydrate, (2S)-1-methylpyrrolidine-2-carboxylic acid hydrate and (S)-1-Methylpyrrolidine-2-carboxylic acid hydrate. Key properties include a melting point of 114-116ºC(lit.), a boiling point of 322.5ºC at 760 mmHg and a flash point of 148.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
199917-42-5
Jingsj CID
J-1992772-7
Molecular Formula
C6H13NO3
Chinese Name
N-甲基-L-脯氨酸一水合物
Molecular Weight
147.172 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point114-116ºC(lit.)
Boiling Point322.5ºC at 760 mmHg
Flash Point148.9ºC

Frequently Asked Questions

What is the CAS number of 1-Methyl-L-proline monohydrate?

The CAS number of 1-Methyl-L-proline monohydrate is 199917-42-5.

What are the molecular formula and molecular weight of 1-Methyl-L-proline monohydrate?

1-Methyl-L-proline monohydrate has molecular formula C6H13NO3 and molecular weight 147.172 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Methyl-L-proline monohydrate (CAS 199917-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992772-7 (accessed 2026-10-24).

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