(S)-3-Amino-2-methylpropanoic acid
(S)-3-氨基-2-甲基丙酸
Also known as: (S)-beta-aminoisobutyric acid, L-3-aminoisobutyric acid, (2S)-3-amino-2-methylpropanoic acid, Propanoic acid, 3-amino-2-methyl-, (2S)-
(S)-3-Amino-2-methylpropanoic acid (CAS 4249-19-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO2 and a molecular weight of 103.120 g/mol. It is also known as (S)-beta-aminoisobutyric acid, L-3-aminoisobutyric acid and (2S)-3-amino-2-methylpropanoic acid. Key properties include a boiling point of 223.6±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 89.0±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4249-19-8
- Jingsj CID
- J-1958469-2
- Molecular Formula
- C4H9NO2
- Chinese Name
- (S)-3-氨基-2-甲基丙酸
- Molecular Weight
- 103.120 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 223.6±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 89.0±22.6 °C |
Frequently Asked Questions
What is the CAS number of (S)-3-Amino-2-methylpropanoic acid?
The CAS number of (S)-3-Amino-2-methylpropanoic acid is 4249-19-8.
What are the molecular formula and molecular weight of (S)-3-Amino-2-methylpropanoic acid?
(S)-3-Amino-2-methylpropanoic acid has molecular formula C4H9NO2 and molecular weight 103.120 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-3-Amino-2-methylpropanoic acid (CAS 4249-19-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958469-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.