S-tert-Butylmercapto-L-cysteine
S-叔丁基巯基-L-半胱氨酸
Also known as: H-Cys(StBu)-OH, H-Cys(tBuS)-OH, S-tert-Butylthio-L-cysteine, (R)-2-Amino-3-(tert-butyldisulfanyl)propanoic acid, 3-(tert-Butyldithio)-L-alanine, MFCD00002609, EINECS 250-012-7
S-tert-Butylmercapto-L-cysteine (CAS 30044-51-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H15NO2S2 and a molecular weight of 209.32900 g/mol. It is also known as H-Cys(StBu)-OH, H-Cys(tBuS)-OH and S-tert-Butylthio-L-cysteine. Key properties include a melting point of 177ºC (dec.)(lit.), a boiling point of 324.7ºC at 760mmHg, a density of 1.225g/cm3 and a flash point of 150.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 30044-51-0
- Jingsj CID
- J-1973850-3
- Molecular Formula
- C7H15NO2S2
- Chinese Name
- S-叔丁基巯基-L-半胱氨酸
- Molecular Weight
- 209.32900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 177ºC (dec.)(lit.) |
|---|---|
| Boiling Point | 324.7ºC at 760mmHg |
| Density | 1.225g/cm3 |
| Flash Point | 150.2ºC |
Frequently Asked Questions
What is the CAS number of S-tert-Butylmercapto-L-cysteine?
The CAS number of S-tert-Butylmercapto-L-cysteine is 30044-51-0.
What are the molecular formula and molecular weight of S-tert-Butylmercapto-L-cysteine?
S-tert-Butylmercapto-L-cysteine has molecular formula C7H15NO2S2 and molecular weight 209.32900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "S-tert-Butylmercapto-L-cysteine (CAS 30044-51-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1973850-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.