Imidazo[1,2-a]pyrazine

Also known as: 1,3a,6-Triazaindene, 1,7-Diazaindolizine

Imidazo[1,2-a]pyrazine (CAS 274-79-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3 and a molecular weight of 119.124 g/mol. Key properties include a melting point of 90-94ºC and a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 274-79-3
Jingsj CID: J-1002418-7
Molecular Formula: C₆H₅N₃
Molecular Weight: 119.124 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	90-94ºC
Density	1.3±0.1 g/cm3
Exact Mass	119.048347
PSA	30.19000
LogP	-0.14
Refractive Index	1.689

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Imidazo[1,2-a]pyrazine?

The CAS number of Imidazo[1,2-a]pyrazine is 274-79-3.

What are the molecular formula and molecular weight of Imidazo[1,2-a]pyrazine?

Imidazo[1,2-a]pyrazine has molecular formula C6H5N3 and molecular weight 119.124 g/mol.

What are the upstream and downstream products of Imidazo[1,2-a]pyrazine?

For Imidazo[1,2-a]pyrazine, Upstream Products: Aminopyrazine, Chloroacetaldehyde, Bromoacetaldehyde diethyl acetal; Downstream Products: 5,6,7,8-Tetrahydroimidazo[1,2-a]pyrazine, 5-Bromoimidazo[1,2-a]pyrazine, 3,5-dibromoimidazo[1,2-a]pyrazine.

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. "Imidazo[1,2-a]pyrazine (CAS 274-79-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002418-7 (accessed 2026-11-09).

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