L-Cysteinylglycine
半胱氨酰甘氨酸
Also known as: Cysteinylglycine, Cys-Gly, H-Cys-Gly-OH, L-Cys-Gly-OH, Cys-Gly-OH, N-Cysteinylglycine, N-L-Cysteinylglycine, Glycine, N-L-cysteinyl-, Glutathione EP Impurity A, Glutathione Impurity A
L-Cysteinylglycine (CAS 19246-18-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10N2O3S and a molecular weight of 178.210 g/mol. It is also known as Cysteinylglycine, Cys-Gly and H-Cys-Gly-OH. Key properties include a boiling point of 459.0±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 231.4±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19246-18-5
- Jingsj CID
- J-29859-3
- Molecular Formula
- C5H10N2O3S
- Chinese Name
- 半胱氨酰甘氨酸
- Molecular Weight
- 178.210 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 459.0±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 231.4±28.7 °C |
| Exact Mass | 178.041214 |
| PSA | 131.22000 |
| LogP | -0.61 |
| Vapor Pressure | 0.0±2.4 mmHg at 25°C |
| Refractive Index | 1.557 |
| Storage Conditions | −20°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
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-Cysteinylglycine?
The CAS number of L-Cysteinylglycine is 19246-18-5.
What are the molecular formula and molecular weight of L-Cysteinylglycine?
L-Cysteinylglycine has molecular formula C5H10N2O3S and molecular weight 178.210 g/mol.
Is L-Cysteinylglycine hazardous?
L-Cysteinylglycine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Cysteinylglycine (CAS 19246-18-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29859-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.