3-Chloro-L-alanine
Also known as: L-3-Chloroalanine, β-Chloro-L-alanine, (S)-2-Amino-3-chloropropanoic acid, H-β-Chloro-Ala-OH, Alanine, 3-chloro-, L-
3-Chloro-L-alanine (CAS 2731-73-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H6ClNO2 and a molecular weight of 123.538 g/mol. Key properties include a melting point of 156 °C, a boiling point of 243.6±30.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 101.1±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2731-73-9
- Jingsj CID
- J-38063-2
- Molecular Formula
- C3H6ClNO2
- Molecular Weight
- 123.538 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 156 °C |
|---|---|
| Boiling Point | 243.6±30.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 101.1±24.6 °C |
| Exact Mass | 123.008705 |
| PSA | 63.32000 |
| LogP | -0.13 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.499 |
Activity & Biological Data
| Target | Bacterial[1] |
|---|---|
| Additional Information | [1]. β-Chloro-L-alanine can inhibits threonine deaminase, the branched-chain amino acid transaminase (transaminase B), L-aspartate-pdecarboxylase, alanine racemase and probably O-acetylserine sulfhydrylase. β-Chloro-L-alanine reversibly inhibits the Escherichia coli |
Customs & Trade Information
| HS Code | 2922499990 |
|---|---|
| Summary | HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Chloro-L-alanine?
The CAS number of 3-Chloro-L-alanine is 2731-73-9.
What are the molecular formula and molecular weight of 3-Chloro-L-alanine?
3-Chloro-L-alanine has molecular formula C3H6ClNO2 and molecular weight 123.538 g/mol.
What are the upstream and downstream products of 3-Chloro-L-alanine?
For 3-Chloro-L-alanine, Upstream Products: 3-Chloro-L-alanine hydrochloride, L-Serine, Pyruvic acid; Downstream Products: S-Phenyl-L-cysteine, Pyruvic acid, L-Cysteine.
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-Chloro-L-alanine (CAS 2731-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38063-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.