[1,2,4]Triazolo[4,3-a]pyridine

Also known as: 1,2,4-Triazolo[4,3-a]pyridine, 1,2-Diazaindolizine, Pyrido[2,1-c]-1,2,4-triazole, s-Triazolo[4,3-a]pyridine, 1,7,8-triazabicyclo[4.3.0]nona-2,4,6,8-tetraene, 1,2,4-triazolo<4,3-a>pyridine

[1,2,4]Triazolo[4,3-a]pyridine (CAS 274-80-6) 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 36-38°C, a boiling point of 218°C 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.: 274-80-6
Jingsj CID: J-1472871-3
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	36-38°C
Boiling Point	218°C
Density	1.3±0.1 g/cm3
Exact Mass	119.048347
PSA	30.19000
LogP	0.68
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 [1,2,4]Triazolo[4,3-a]pyridine?

The CAS number of [1,2,4]Triazolo[4,3-a]pyridine is 274-80-6.

What are the molecular formula and molecular weight of [1,2,4]Triazolo[4,3-a]pyridine?

[1,2,4]Triazolo[4,3-a]pyridine has molecular formula C6H5N3 and molecular weight 119.124 g/mol.

What are the upstream and downstream products of [1,2,4]Triazolo[4,3-a]pyridine?

For [1,2,4]Triazolo[4,3-a]pyridine, Upstream Products: 2-Hydrazinopyridine, Triethyl orthoformate, Formic Acid; Downstream Products: 1H-1,2,4-Triazole-3-carboxylic acid.

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. "[1,2,4]Triazolo[4,3-a]pyridine (CAS 274-80-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1472871-3 (accessed 2026-11-09).

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