4-Chloro-5-methylpyrimidin-2-amine

4-氯-5-甲基嘧啶-2-胺

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. It is also known as 2-Amino-4-chloro-5-methylpyrimidine, 4-Chloro-2-amino-5-methylpyrimidine and 4-Chloro-5-methyl-2-pyrimidinamine. 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-1112105-1
Molecular Formula
C5H6ClN3
Chinese Name
4-氯-5-甲基嘧啶-2-胺
Molecular Weight
143.574 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point184-185°C
Boiling Point320.8±34.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point147.8±25.7 °C

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.

Data compiled from public chemical databases 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-1112105-1 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.