4(3H)-Pyrimidinone,5-amino-6-methyl-

5-氨基-6-甲基-4(3H)-嘧啶酮

Also known as: 5-Amino-6-methylpyrimidin-4(3H)-one, 5-Amino-6-methyl-3H-pyrimidin-4-one, 5-Amino-6-methyl-1H-pyrimidin-4-one, 5-Amino-6-methylpyrimidin-4(1H)-one, 4(1H)-Pyrimidinone, 5-amino-6-methyl- (9CI)

4(3H)-Pyrimidinone,5-amino-6-methyl- (CAS 14675-49-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7N3O and a molecular weight of 125.12900 g/mol. It is also known as 5-Amino-6-methylpyrimidin-4(3H)-one, 5-Amino-6-methyl-3H-pyrimidin-4-one and 5-Amino-6-methyl-1H-pyrimidin-4-one. Key properties include a boiling point of 229.2ºC at 760mmHg, a density of 1.44g/cm3 and a flash point of 92.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14675-49-1
Jingsj CID
J-1037142-8
Molecular Formula
C5H7N3O
Chinese Name
5-氨基-6-甲基-4(3H)-嘧啶酮
Molecular Weight
125.12900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point229.2ºC at 760mmHg
Density1.44g/cm3
Flash Point92.4ºC

Frequently Asked Questions

What is the CAS number of 4(3H)-Pyrimidinone,5-amino-6-methyl-?

The CAS number of 4(3H)-Pyrimidinone,5-amino-6-methyl- is 14675-49-1.

What are the molecular formula and molecular weight of 4(3H)-Pyrimidinone,5-amino-6-methyl-?

4(3H)-Pyrimidinone,5-amino-6-methyl- has molecular formula C5H7N3O and molecular weight 125.12900 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4(3H)-Pyrimidinone,5-amino-6-methyl- (CAS 14675-49-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1037142-8 (accessed 2026-10-24).

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