L-Cysteinesulfinic acid
Also known as: 3-Sulfino-L-alanine, 3-sulphino-L-alanine, L-cysteine sulphinic acid, (2R)-2-amino-3-sulfinopropanoic acid, 2-amino-3-sulfinopropionic acid, Cysteinesulfinic acid, Cysteine sulphinic acid, CYSTEINE(L) SULFINIC ACID, Carbocysteine Impurity 5
L-Cysteinesulfinic acid (CAS 1115-65-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H7NO4S and a molecular weight of 153.16 g/mol. Key properties include a melting point of >130°C (dec.) (lit.), a boiling point of 492.8ºC at 760mmHg, a density of 1.828g/cm3 and a flash point of 251.8ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 1115-65-7
- Jingsj CID
- J-28075-1
- Molecular Formula
- C3H7NO4S
- Molecular Weight
- 153.16 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >130°C (dec.) (lit.) |
|---|---|
| Boiling Point | 492.8ºC at 760mmHg |
| Density | 1.828g/cm3 |
| Flash Point | 251.8ºC |
| Exact Mass | 153.01000 |
| PSA | 119.83000 |
| LogP | 0.18600 |
| Vapor Pressure | 4.68E-11mmHg at 25°C |
| Refractive Index | 1.673 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Shi Q, et al. L-homocysteine sulfinic acid and other acidic homocysteine derivatives are potent and selective metabotropic glutamate receptor agonists. J Pharmacol Exp Ther. 2003 Apr;305(1):131-42. [2]. Boss V, et al. L-cysteine sulfinic acid as an endogenous agonist of a novel metabotropic receptor coupled to stimulation of phospholipase D activity. |
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 L-Cysteinesulfinic acid?
The CAS number of L-Cysteinesulfinic acid is 1115-65-7.
What are the molecular formula and molecular weight of L-Cysteinesulfinic acid?
L-Cysteinesulfinic acid has molecular formula C3H7NO4S and molecular weight 153.16 g/mol.
What are the upstream and downstream products of L-Cysteinesulfinic acid?
For L-Cysteinesulfinic acid, Upstream Products: L-Cysteine; Downstream Products: L-Cysteic acid, L-Alanine, Hypotaurine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Cysteinesulfinic acid (CAS 1115-65-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28075-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.