5,6-diamino-2-sulfanylpyrimidin-4-ol
Also known as: 5,6-diamino-2-thiouracil, 4,5-diamino-6-hydroxy-2-mercaptopyrimidine, 2-mercapto-4-hydroxy-5,6-diaminopyrimidine, 5,6-diamino-2-thioxo-2,3-dihydropyrimidin-4(1H)-one, 4,5-diamino-2-mercaptopyrimidin-6-ol, 5,6-diamino-2-sulfanylidene-1H-pyrimidin-4-one
5,6-diamino-2-sulfanylpyrimidin-4-ol (CAS 1004-76-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H6N4OS and a molecular weight of 158.182 g/mol. Key properties include a melting point of >300 °C(lit.), a boiling point of 473ºC at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 239.9ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 1004-76-8
- Jingsj CID
- J-11690-5
- Molecular Formula
- C4H6N4OS
- Molecular Weight
- 158.182 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C(lit.) |
|---|---|
| Boiling Point | 473ºC at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 239.9ºC |
| Exact Mass | 158.026230 |
| PSA | 132.78000 |
| LogP | -2.37 |
| Vapor Pressure | 1.43E-09mmHg at 25°C |
| Refractive Index | 1.776 |
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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 5,6-diamino-2-sulfanylpyrimidin-4-ol?
The CAS number of 5,6-diamino-2-sulfanylpyrimidin-4-ol is 1004-76-8.
What are the molecular formula and molecular weight of 5,6-diamino-2-sulfanylpyrimidin-4-ol?
5,6-diamino-2-sulfanylpyrimidin-4-ol has molecular formula C4H6N4OS and molecular weight 158.182 g/mol.
What are the upstream and downstream products of 5,6-diamino-2-sulfanylpyrimidin-4-ol?
For 5,6-diamino-2-sulfanylpyrimidin-4-ol, Upstream Products: 6-amino-2-sulfanylpyrimidin-4-ol; Downstream Products: 2,4-Dimercapto-5,6-diaminopyrimidine, 8-Azaxanthine, 4,5-Diamino-6-hydroxypyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5,6-diamino-2-sulfanylpyrimidin-4-ol (CAS 1004-76-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11690-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.