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3-mercapto-2-(methylamino)propanoic acid hydrochloride

Also known as: N-Methyl-L-cysteine hydrochloride, L-N-Methylcysteine hydrochloride, (R)-N-methylcysteine hydrochloride, 3-Mercapto-2-methylamino-propionic acid, Cysteine, N-methyl-, hydrochloride, L-, L-Cysteine, N-methyl-, hydrochloride

3-mercapto-2-(methylamino)propanoic acid hydrochloride (CAS 14344-46-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H10ClNO2S and a molecular weight of 171.64600 g/mol. Key property: a boiling point of 242.8ºC at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14344-46-8
Jingsj CID
J-1498750-9
Molecular Formula
C4H10ClNO2S
Molecular Weight
171.64600 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point242.8ºC at 760 mmHg
Exact Mass171.01200
PSA88.13000
LogP0.78170
Vapor Pressure0.011mmHg at 25°C

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-mercapto-2-(methylamino)propanoic acid hydrochloride?

The CAS number of 3-mercapto-2-(methylamino)propanoic acid hydrochloride is 14344-46-8.

What are the molecular formula and molecular weight of 3-mercapto-2-(methylamino)propanoic acid hydrochloride?

3-mercapto-2-(methylamino)propanoic acid hydrochloride has molecular formula C4H10ClNO2S and molecular weight 171.64600 g/mol.

What are the upstream and downstream products of 3-mercapto-2-(methylamino)propanoic acid hydrochloride?

For 3-mercapto-2-(methylamino)propanoic acid hydrochloride, Upstream Products: L(-)-Thiazolidine-4-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "3-mercapto-2-(methylamino)propanoic acid hydrochloride (CAS 14344-46-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498750-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.