2-Methyl-L-cysteine hydrochloride
2-甲基-L-半胱氨酸盐酸盐
Also known as: (R)-2-Methylcysteine hydrochloride, (R)-2-Methylcysteine HCl, (2R)-2-Amino-2-methyl-3-sulfanyl-propanoic acid hydrochloride, L-2-Methylcysteine hydrochloride, α-Me-Cys-OH·HCl, H-alpha-Me-L-Cys-OH*HCl
2-Methyl-L-cysteine hydrochloride (CAS 148766-37-4) 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 171.646 g/mol. It is also known as (R)-2-Methylcysteine hydrochloride, (R)-2-Methylcysteine HCl and (2R)-2-Amino-2-methyl-3-sulfanyl-propanoic acid hydrochloride. Key properties include a melting point of 155-157℃, a boiling point of 289ºC at 760 mmHg and a flash point of 128.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 148766-37-4
- Jingsj CID
- J-1116764-6
- Molecular Formula
- C4H10ClNO2S
- Chinese Name
- 2-甲基-L-半胱氨酸盐酸盐
- Molecular Weight
- 171.646 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 155-157℃ |
|---|---|
| Boiling Point | 289ºC at 760 mmHg |
| Flash Point | 128.6ºC |
Frequently Asked Questions
What is the CAS number of 2-Methyl-L-cysteine hydrochloride?
The CAS number of 2-Methyl-L-cysteine hydrochloride is 148766-37-4.
What are the molecular formula and molecular weight of 2-Methyl-L-cysteine hydrochloride?
2-Methyl-L-cysteine hydrochloride has molecular formula C4H10ClNO2S and molecular weight 171.646 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methyl-L-cysteine hydrochloride (CAS 148766-37-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1116764-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.