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(S)-2-Aminobutanamide hydrochloride

(S)-2-氨基丁酰胺盐酸盐

Also known as: (2S)-2-aminobutanamide hydrochloride, L-2-Aminobutanamide hydrochloride, (S)-2-Aminobutyramide hydrochloride, ABAH, Levetiracetam intermediate, 2-Aminobutyric acid amide hydrochloride, H-Abu-NH2·HCl, Alpha-aminobutyric acid alpha-amide hydrochloride

(S)-2-Aminobutanamide hydrochloride (CAS 7682-20-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H11ClN2O and a molecular weight of 138.60 g/mol. It is also known as (2S)-2-aminobutanamide hydrochloride, L-2-Aminobutanamide hydrochloride and (S)-2-Aminobutyramide hydrochloride. Key properties include a melting point of 259-263 °C and a boiling point of 245.7ºC at 760 mmHg. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7682-20-4
Jingsj CID
J-20592-8
Molecular Formula
C4H11ClN2O
Chinese Name
(S)-2-氨基丁酰胺盐酸盐
Molecular Weight
138.60 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point259-263 °C
Boiling Point245.7ºC at 760 mmHg

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (S)-2-Aminobutanamide hydrochloride?

The CAS number of (S)-2-Aminobutanamide hydrochloride is 7682-20-4.

What are the molecular formula and molecular weight of (S)-2-Aminobutanamide hydrochloride?

(S)-2-Aminobutanamide hydrochloride has molecular formula C4H11ClN2O and molecular weight 138.60 g/mol.

Is (S)-2-Aminobutanamide hydrochloride hazardous?

(S)-2-Aminobutanamide hydrochloride has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "(S)-2-Aminobutanamide hydrochloride (CAS 7682-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20592-8 (accessed 2026-10-24).

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