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1-Methyl-1H-pyrazole-4-carbonitrile

Also known as: 1-METHYL-1H-PYRAZOLE-4-CARBONITRILE, 1-Methyl-1H-pyrazol-4-carbonitrile, 1-Methyl-4-cyanopyrazole, 1-Methyl-Pyrazole-4-carbonitrile, 1-methyl-1H-pyrazole-4-carbonitrile(SALTDATA: FREE), 1-methylpyrazole-4-carbonitrile, 1H-Pyrazole-4-carbonitrile, 1-methyl-, 1H-Pyrazole-4-carbonitrile,1-Methyl, 1H-Pyrazole-4-carbonitrile,1-methyl-(9CI), 4-Cyano-1-Methylpyrazole, 4-Cyano-1-methylpyrazole

1-Methyl-1H-pyrazole-4-carbonitrile (CAS 66121-71-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N3 and a molecular weight of 107.113 g/mol. Key properties include a boiling point of 230.2±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 93.0±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66121-71-9
Jingsj CID
J-1120052-5
Molecular Formula
C5H5N3
Molecular Weight
107.113 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point230.2±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point93.0±19.8 °C
Exact Mass107.048347
PSA41.61000
LogP0.09
Vapor Pressure0.1±0.5 mmHg at 25°C
Refractive Index1.579
Storage Conditions2-8°C

Customs & Trade Information

HS Code2933199090
Summary2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) 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 1-Methyl-1H-pyrazole-4-carbonitrile?

The CAS number of 1-Methyl-1H-pyrazole-4-carbonitrile is 66121-71-9.

What are the molecular formula and molecular weight of 1-Methyl-1H-pyrazole-4-carbonitrile?

1-Methyl-1H-pyrazole-4-carbonitrile has molecular formula C5H5N3 and molecular weight 107.113 g/mol.

What are the upstream and downstream products of 1-Methyl-1H-pyrazole-4-carbonitrile?

For 1-Methyl-1H-pyrazole-4-carbonitrile, Upstream Products: 5-Amino-1-methyl-1H-pyrazole-4-carbonitrile, 1-Methyl-1H-pyrazole-4-carbaldehyde; Downstream Products: 1-Methyl-1H-imidazole-4-carbonitrile, 1-Methyl-1H-imidazole-5-carbonitrile.

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

Last updated:

How to cite: Jingsj. "1-Methyl-1H-pyrazole-4-carbonitrile (CAS 66121-71-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1120052-5 (accessed 2026-11-09).

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