4-Chloro-5-methylpyrimidin-2-amine
Also known as: 2-Amino-4-chloro-5-methylpyrimidine, 4-Chloro-2-amino-5-methylpyrimidine, 4-Chloro-5-methyl-2-pyrimidinamine, 2-Pyrimidinamine, 4-chloro-5-methyl-, 2-Pyrimidinamine, 4-chloro-5-methyl- (9CI), 4-Chlor-2-amino-5-methyl-pyrimidin, 4-Chlor-5-methyl-pyrimidin-2-ylamin, 4-Chloro-5-methyl-pyrimidin-2-ylamine
4-Chloro-5-methylpyrimidin-2-amine (CAS 20090-58-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6ClN3 and a molecular weight of 143.574 g/mol. Key properties include a melting point of 184-185°C, a boiling point of 320.8±34.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 147.8±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20090-58-8
- Jingsj CID
- J-1112105-4
- Molecular Formula
- C5H6ClN3
- Molecular Weight
- 143.574 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 184-185°C |
|---|---|
| Boiling Point | 320.8±34.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 147.8±25.7 °C |
| Exact Mass | 143.025024 |
| PSA | 51.80000 |
| LogP | 1.04 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.600 |
| 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-Chloro-5-methylpyrimidin-2-amine?
The CAS number of 4-Chloro-5-methylpyrimidin-2-amine is 20090-58-8.
What are the molecular formula and molecular weight of 4-Chloro-5-methylpyrimidin-2-amine?
4-Chloro-5-methylpyrimidin-2-amine has molecular formula C5H6ClN3 and molecular weight 143.574 g/mol.
What are the upstream and downstream products of 4-Chloro-5-methylpyrimidin-2-amine?
For 4-Chloro-5-methylpyrimidin-2-amine, Upstream Products: 2-Amino-5-methylpyrimidin-4(3H)-one, 2,4-Dichloro-5-methylpyrimidine.
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-Chloro-5-methylpyrimidin-2-amine (CAS 20090-58-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1112105-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.