5-(Methylthio)pyrazin-2-amine
Also known as: Pyrazinamine, 5-(methylthio)- (9CI), 2-Pyrazinamine, 5-(methylthio)-, 5-(Methylsulfanyl)pyrazin-2-amine, 5-(Methylthio)-2-pyrazinamine, 5-(methylthio)-pyrazinamine, 5-Methylsulfanyl-pyrazin-2-ylamine, 5-methylsulfanylpyrazin-2-amine, 5-methylthiopyrazine-2-ylamine, 2-Amino-5-methylthiopyrazine
5-(Methylthio)pyrazin-2-amine (CAS 251549-38-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H7N3S and a molecular weight of 141.194 g/mol. Key properties include a boiling point of 335.9±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 156.9±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 251549-38-9
- Jingsj CID
- J-1497275-9
- Molecular Formula
- C5H7N3S
- Molecular Weight
- 141.194 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 335.9±37.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 156.9±26.5 °C |
| Exact Mass | 141.036072 |
| PSA | 77.10000 |
| LogP | 1.59 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.623 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-(Methylthio)pyrazin-2-amine?
The CAS number of 5-(Methylthio)pyrazin-2-amine is 251549-38-9.
What are the molecular formula and molecular weight of 5-(Methylthio)pyrazin-2-amine?
5-(Methylthio)pyrazin-2-amine has molecular formula C5H7N3S and molecular weight 141.194 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(Methylthio)pyrazin-2-amine (CAS 251549-38-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1497275-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.