S-Methyl-L-cysteine sulfoxide
Also known as: SMCS, S-Methylcysteine sulfoxide, (2S)-2-Amino-3-methylsulfinylpropanoic acid, L-Alanine, 3-(methylsulfinyl)-, S-Methyl-L-cysteine S-oxide
S-Methyl-L-cysteine sulfoxide (CAS 6853-87-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9NO3S and a molecular weight of 151.184 g/mol. Key properties include a boiling point of 428.2±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 212.8±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6853-87-8
- Jingsj CID
- J-1958043-9
- Molecular Formula
- C4H9NO3S
- Molecular Weight
- 151.184 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 428.2±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 212.8±27.3 °C |
| Exact Mass | 151.030319 |
| PSA | 99.60000 |
| LogP | -1.47 |
| Vapor Pressure | 0.0±2.2 mmHg at 25°C |
| Refractive Index | 1.586 |
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):1793-807. |
|---|
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of S-Methyl-L-cysteine sulfoxide?
The CAS number of S-Methyl-L-cysteine sulfoxide is 6853-87-8.
What are the molecular formula and molecular weight of S-Methyl-L-cysteine sulfoxide?
S-Methyl-L-cysteine sulfoxide has molecular formula C4H9NO3S and molecular weight 151.184 g/mol.
What are the upstream and downstream products of S-Methyl-L-cysteine sulfoxide?
For S-Methyl-L-cysteine sulfoxide, Upstream Products: S-Methyl-L-cysteine; Downstream Products: L-Alanine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "S-Methyl-L-cysteine sulfoxide (CAS 6853-87-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958043-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.