S-sulfo-L-cysteine
S-磺基-L-半胱氨酸
Also known as: L-Cysteine S-sulfate, (2R)-2-amino-3-sulfosulfanylpropanoic acid, (2R)-2-amino-3-sulfosulfanyl-propanoic acid, Cysteine-S-sulfate, S-Sulfocysteine, S-Sulphocysteine, s-sulpho-L-cysteine
S-sulfo-L-cysteine (CAS 1637-71-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H7NO5S2 and a molecular weight of 201.22100 g/mol. It is also known as L-Cysteine S-sulfate, (2R)-2-amino-3-sulfosulfanylpropanoic acid and (2R)-2-amino-3-sulfosulfanyl-propanoic acid. Key property: a melting point of 184-185ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1637-71-4
- Jingsj CID
- J-28081-9
- Molecular Formula
- C3H7NO5S2
- Chinese Name
- S-磺基-L-半胱氨酸
- Molecular Weight
- 201.22100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 184-185ºC |
|---|
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of S-sulfo-L-cysteine?
The CAS number of S-sulfo-L-cysteine is 1637-71-4.
What are the molecular formula and molecular weight of S-sulfo-L-cysteine?
S-sulfo-L-cysteine has molecular formula C3H7NO5S2 and molecular weight 201.22100 g/mol.
Is S-sulfo-L-cysteine hazardous?
S-sulfo-L-cysteine has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "S-sulfo-L-cysteine (CAS 1637-71-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28081-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.