6-Aza-2-thiouracil
Also known as: 3,4-dihydro-3-thioxo-1,2,4-triazin-5(2H)-one, 2-Thio-6-azauracil, 5-Hydroxy-3-mercapto-1,2,4-triazine, 3-thioxo-3,4-dihydro-1,2,4-triazin-5(2H)-one, 3-sulfanyl-1,2,4-triazin-5-ol, 1,2,4-triazin-5-ol, 3-mercapto-, as-Triazin-5-ol, 3-mercapto-
6-Aza-2-thiouracil (CAS 626-08-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3N3OS and a molecular weight of 129.140 g/mol. Key properties include a melting point of 251 °C (decomp)(Solv: water (7732-18-5)), a boiling point of 373.1ºC at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 179.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 626-08-4
- Jingsj CID
- J-887424-6
- Molecular Formula
- C3H3N3OS
- Molecular Weight
- 129.140 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 251 °C (decomp)(Solv: water (7732-18-5)) |
|---|---|
| Boiling Point | 373.1ºC at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 179.5ºC |
| Exact Mass | 128.999680 |
| PSA | 97.70000 |
| LogP | -1.35 |
| Refractive Index | 1.812 |
| Storage Conditions | 2-8°C |
Frequently Asked Questions
What is the CAS number of 6-Aza-2-thiouracil?
The CAS number of 6-Aza-2-thiouracil is 626-08-4.
What are the molecular formula and molecular weight of 6-Aza-2-thiouracil?
6-Aza-2-thiouracil has molecular formula C3H3N3OS and molecular weight 129.140 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. "6-Aza-2-thiouracil (CAS 626-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-887424-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.