Procysteine
丙半胱氨酸
Also known as: L-2-Oxothiazolidine-4-carboxylic acid, (4R)-2-Oxo-1,3-thiazolidine-4-carboxylic acid, (R)-(−)-2-Oxothiazolidine-4-carboxylic acid, Oxothiazolidinecarboxylic acid, OTC, OTZ, L-2-Thiazolidinone-4-carboxylic acid, (4R)-2-Hydroxy-4,5-dihydro-1,3-thiazole-4-carboxylic acid, MFCD00066092
Procysteine (CAS 19771-63-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5NO3S and a molecular weight of 147.152 g/mol. It is also known as L-2-Oxothiazolidine-4-carboxylic acid, (4R)-2-Oxo-1,3-thiazolidine-4-carboxylic acid and (R)-(−)-2-Oxothiazolidine-4-carboxylic acid. Key properties include a melting point of 174 °C (dec.)(lit.) and a density of 1.6±0.1 g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19771-63-2
- Jingsj CID
- J-45551-0
- Molecular Formula
- C4H5NO3S
- Chinese Name
- 丙半胱氨酸
- Molecular Weight
- 147.152 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 174 °C (dec.)(lit.) |
|---|---|
| Density | 1.6±0.1 g/cm3 |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Procysteine?
The CAS number of Procysteine is 19771-63-2.
What are the molecular formula and molecular weight of Procysteine?
Procysteine has molecular formula C4H5NO3S and molecular weight 147.152 g/mol.
Is Procysteine hazardous?
Procysteine 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. "Procysteine (CAS 19771-63-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45551-0 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.