L-Alanine methyl ester hydrochloride
Also known as: H-Ala-OMe·HCl, Methyl L-alaninate hydrochloride, (S)-Methyl 2-aminopropanoate hydrochloride, Alanine methyl ester hydrochloride, L-Ala-OMe·HCl, L-2-Aminopropionic acid methyl ester hydrochloride, Methyl (2S)-2-aminopropanoate hydrochloride
L-Alanine methyl ester hydrochloride (CAS 2491-20-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H10ClNO2 and a molecular weight of 139.581 g/mol. Key properties include a melting point of 109-111 °C(lit.) and a boiling point of 101.5ºC at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2491-20-5
- Jingsj CID
- J-1068851-4
- Molecular Formula
- C4H10ClNO2
- Molecular Weight
- 139.581 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 109-111 °C(lit.) |
|---|---|
| Boiling Point | 101.5ºC at 760 mmHg |
| Exact Mass | 139.040009 |
| PSA | 52.32000 |
| LogP | 1.00890 |
| Vapor Pressure | 35mmHg at 25°C |
| Refractive Index | 6.5 ° (C=2, MeOH) |
Activity & Biological Data
| Additional Information | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1046. |
|---|
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 L-Alanine methyl ester hydrochloride?
The CAS number of L-Alanine methyl ester hydrochloride is 2491-20-5.
What are the molecular formula and molecular weight of L-Alanine methyl ester hydrochloride?
L-Alanine methyl ester hydrochloride has molecular formula C4H10ClNO2 and molecular weight 139.581 g/mol.
What are the upstream and downstream products of L-Alanine methyl ester hydrochloride?
For L-Alanine methyl ester hydrochloride, Upstream Products: Methanol, L-Alanine hydrochloride, L-Alanine; Downstream Products: L-Alaninamide hydrochloride, L-Alanine, (S)-2-Amino-1,1-diphenyl-1-propanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Alanine methyl ester hydrochloride (CAS 2491-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1068851-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.