4-Hydroxy-2-methylpyrimidine-5-carbonitrile

Also known as: 1,6-Dihydro-2-methyl-6-oxo-5-pyrimidinecarbonitrile, 2-Methyl-6-oxo-1,6-dihydropyrimidine-5-carbonitrile, 2-Methyl-6-oxo-1H-pyrimidine-5-carbonitrile, 5-Pyrimidinecarbonitrile, 1,6-dihydro-2-methyl-6-oxo-, NSC 95369

4-Hydroxy-2-methylpyrimidine-5-carbonitrile (CAS 27058-54-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3O and a molecular weight of 135.123 g/mol. Key properties include a boiling point of 295.5ºC at 760mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 132.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 27058-54-4
Jingsj CID: J-1505393-7
Molecular Formula: C₆H₅N₃O
Molecular Weight: 135.123 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	295.5ºC at 760mmHg
Density	1.3±0.1 g/cm3
Flash Point	132.5ºC
Exact Mass	135.043259
PSA	69.54000
LogP	-1.08
Vapor Pressure	0.000862mmHg at 25°C
Refractive Index	1.623
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-Hydroxy-2-methylpyrimidine-5-carbonitrile?

The CAS number of 4-Hydroxy-2-methylpyrimidine-5-carbonitrile is 27058-54-4.

What are the molecular formula and molecular weight of 4-Hydroxy-2-methylpyrimidine-5-carbonitrile?

4-Hydroxy-2-methylpyrimidine-5-carbonitrile has molecular formula C6H5N3O and molecular weight 135.123 g/mol.

What are the upstream and downstream products of 4-Hydroxy-2-methylpyrimidine-5-carbonitrile?

For 4-Hydroxy-2-methylpyrimidine-5-carbonitrile, Upstream Products: Ethyl (2E)-2-cyano-3-ethoxyacrylate, 5-Bromo-2-methylpyrimidin-4-ol, 2-Methylpyrimidin-4(3H)-one; Downstream Products: 4-amino-2-methylpyrimidine-5-carbonitrile, 4-Chloro-2-methylpyrimidine-5-carbonitrile.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Hydroxy-2-methylpyrimidine-5-carbonitrile (CAS 27058-54-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505393-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.