4-Amino-6-chloro-2-(methylthio)pyrimidine
4-氨基-6-氯-2-甲硫基嘧啶
Also known as: 4-Amino-6-chloro-2-methylmercaptopyrimidine, 6-Chloro-2-(methylthio)pyrimidin-4-amine, 6-Chloro-2-methylsulfanylpyrimidin-4-amine, 6-Chloro-2-(methylsulfanyl)pyrimidin-4-amine, 6-Chloro-2-(methylsulfanyl)-4-pyrimidinamine, 6-Chloro-2-(methylsulfanyl)-4-pyrimidinylamine, 4-Pyrimidinamine, 6-chloro-2-(methylthio)-, U 8342, NSC 19859
4-Amino-6-chloro-2-(methylthio)pyrimidine (CAS 1005-38-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6ClN3S and a molecular weight of 175.639 g/mol. It is also known as 4-Amino-6-chloro-2-methylmercaptopyrimidine, 6-Chloro-2-(methylthio)pyrimidin-4-amine and 6-Chloro-2-methylsulfanylpyrimidin-4-amine. Key properties include a melting point of 130-132 °C(lit.), a boiling point of 338.7±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 158.6±22.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1005-38-5
- Jingsj CID
- J-41998-1
- Molecular Formula
- C5H6ClN3S
- Chinese Name
- 4-氨基-6-氯-2-甲硫基嘧啶
- Molecular Weight
- 175.639 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 130-132 °C(lit.) |
|---|---|
| Boiling Point | 338.7±22.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 158.6±22.3 °C |
| Exact Mass | 174.997101 |
| PSA | 77.10000 |
| LogP | 2.18 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.639 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-6-chloro-2-(methylthio)pyrimidine?
The CAS number of 4-Amino-6-chloro-2-(methylthio)pyrimidine is 1005-38-5.
What are the molecular formula and molecular weight of 4-Amino-6-chloro-2-(methylthio)pyrimidine?
4-Amino-6-chloro-2-(methylthio)pyrimidine has molecular formula C5H6ClN3S and molecular weight 175.639 g/mol.
Is 4-Amino-6-chloro-2-(methylthio)pyrimidine hazardous?
4-Amino-6-chloro-2-(methylthio)pyrimidine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-6-chloro-2-(methylthio)pyrimidine (CAS 1005-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41998-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.