2-Cyano-5-methylthiazole

Also known as: 5-methyl-1,3-thiazole-2-carbonitrile, 5-methylthiazole-2-carbonitrile, 5-Methyl-2-thiazolecarbonitrile, 2-Thiazolecarbonitrile, 5-methyl-, 5-Methyl-thiazole-2-carbonitrile

2-Cyano-5-methylthiazole (CAS 100516-71-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2S and a molecular weight of 124.16400 g/mol. Key properties include a boiling point of 222.33ºC at 760 mmHg, a density of 1.256 g/cm3 and a flash point of 88.263ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 100516-71-0
Jingsj CID: J-1526571-1
Molecular Formula: C₅H₄N₂S
Molecular Weight: 124.16400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	222.33ºC at 760 mmHg
Density	1.256 g/cm3
Flash Point	88.263ºC
Exact Mass	124.01000
PSA	64.92000
LogP	1.32318
Refractive Index	1.559
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2934100090
Summary	2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Cyano-5-methylthiazole?

The CAS number of 2-Cyano-5-methylthiazole is 100516-71-0.

What are the molecular formula and molecular weight of 2-Cyano-5-methylthiazole?

2-Cyano-5-methylthiazole has molecular formula C5H4N2S and molecular weight 124.16400 g/mol.

What are the upstream and downstream products of 2-Cyano-5-methylthiazole?

For 2-Cyano-5-methylthiazole, Upstream Products: 5-Methyl-1,3-thiazole-2-carboxaldehyde, Ethyl 5-methylthiazole-2-carboxylate.

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. "2-Cyano-5-methylthiazole (CAS 100516-71-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526571-1 (accessed 2026-11-09).

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