4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid
Also known as: 4-Amino-2-(methylsulfanyl)pyrimidine-5-carboxylic acid, 4-amino-2-(methylsulfanyl)pyrimidine-5-carboxylic acid, 4-amino-2-methylsulfanylpyrimidine-5-carboxylic acid, 5-Pyrimidinecarboxylic acid, 4-amino-2-(methylthio)-, 4-Amino-2-(methylsulfanyl)-5-pyrimidinecarboxylic acid
4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid (CAS 771-81-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7N3O2S and a molecular weight of 185.204 g/mol. Key properties include a boiling point of 435.0±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 216.9±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 771-81-3
- Jingsj CID
- J-1355788-5
- Molecular Formula
- C6H7N3O2S
- Molecular Weight
- 185.204 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 435.0±30.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 216.9±24.6 °C |
| Exact Mass | 185.025894 |
| PSA | 114.40000 |
| LogP | 1.91 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.668 |
| Storage Conditions | 2-8°C |
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 4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid?
The CAS number of 4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid is 771-81-3.
What are the molecular formula and molecular weight of 4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid?
4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid has molecular formula C6H7N3O2S and molecular weight 185.204 g/mol.
What are the upstream and downstream products of 4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid?
For 4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid, Upstream Products: Ethyl 4-amino-2-(methylthio)pyrimidine-5-carboxylate, Ethyl 4-amino-2-mercaptopyrimidine-5-carboxylate, Dimethyl sulfate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-2-(methylthio)pyrimidine-5-carboxylic acid (CAS 771-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355788-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.