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4-amino-2-methylpyrimidine-5-carbonitrile

Also known as: 2-Methyl-4-amino-5-cyanopyrimidine, 4-Amino-5-cyano-2-methylpyrimidine, 5-Cyano-4-amino-2-methylpyrimidine, 5-Pyrimidinecarbonitrile, 4-amino-2-methyl-, NSC 459, Pynitrile, MFCD00084875, EINECS 211-814-2

4-amino-2-methylpyrimidine-5-carbonitrile (CAS 698-29-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6N4 and a molecular weight of 134.139 g/mol. Key properties include a melting point of 249ºC, a boiling point of 206.9±43.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 79.0±28.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
698-29-3
Jingsj CID
J-48306-7
Molecular Formula
C6H6N4
Molecular Weight
134.139 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point249ºC
Boiling Point206.9±43.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point79.0±28.2 °C
Exact Mass134.059250
PSA75.59000
LogP-1.32
Vapor Pressure0.2±0.4 mmHg at 25°C
Refractive Index1.650
Storage Conditions-20°C Freezer

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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-2-methylpyrimidine-5-carbonitrile?

The CAS number of 4-amino-2-methylpyrimidine-5-carbonitrile is 698-29-3.

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

4-amino-2-methylpyrimidine-5-carbonitrile has molecular formula C6H6N4 and molecular weight 134.139 g/mol.

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

For 4-amino-2-methylpyrimidine-5-carbonitrile, Upstream Products: Acetamidine hydrochloride, Methyl acetimidate hydrochloride, (Dimethylaminomethylene)malononitrile; Downstream Products: ethyl 4-amino-2-methylpyrimidine-5-carboxylate, 2-Methyl-4-pyrimidinamine, (4-Amino-2-methyl-5-pyrimidinyl)methanol.

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-amino-2-methylpyrimidine-5-carbonitrile (CAS 698-29-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48306-7 (accessed 2026-11-09).

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