2-Thiouracil-5-carboxylic acid
Also known as: 5-Carboxy-2-thiouracil, 5-Carboxy-4-hydroxy-2-thiopyrimidine, 4-Oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid, 1,2,3,4-Tetrahydro-4-oxo-2-thioxo-5-pyrimidinecarboxylic acid, 2-Thioisoorotic acid, 5-Carboxy-2-thiouracil free acid
2-Thiouracil-5-carboxylic acid (CAS 23945-50-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O3S and a molecular weight of 172.16200 g/mol. Key properties include a boiling point of 461.2ºC at 760mmHg, a density of 1.74g/cm3 and a flash point of 232.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 23945-50-8
- Jingsj CID
- J-1169495-4
- Molecular Formula
- C5H4N2O3S
- Molecular Weight
- 172.16200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 461.2ºC at 760mmHg |
|---|---|
| Density | 1.74g/cm3 |
| Flash Point | 232.7ºC |
| Exact Mass | 171.99400 |
| PSA | 122.11000 |
| LogP | 0.16910 |
| Vapor Pressure | 2.65E-09mmHg at 25°C |
| Refractive Index | 1.719 |
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 2-Thiouracil-5-carboxylic acid?
The CAS number of 2-Thiouracil-5-carboxylic acid is 23945-50-8.
What are the molecular formula and molecular weight of 2-Thiouracil-5-carboxylic acid?
2-Thiouracil-5-carboxylic acid has molecular formula C5H4N2O3S and molecular weight 172.16200 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. "2-Thiouracil-5-carboxylic acid (CAS 23945-50-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1169495-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.