3H-1,2,3-triazolo[4,5-c]pyridine

Also known as: 1H-[1,2,3]triazolo[4,5-c]pyridine, 1H-1,2,3-triazolo[4,5-c]pyridine, 3H-[1,2,3]triazolo[4,5-c]pyridine

3H-1,2,3-triazolo[4,5-c]pyridine (CAS 273-05-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N4 and a molecular weight of 120.11200 g/mol. Key properties include a boiling point of 329.6ºC at 760mmHg, a density of 1.472g/cm3 and a flash point of 169.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 273-05-2
Jingsj CID: J-1493009-7
Molecular Formula: C₅H₄N₄
Molecular Weight: 120.11200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	329.6ºC at 760mmHg
Density	1.472g/cm3
Flash Point	169.3ºC
Exact Mass	120.04400
PSA	54.46000
LogP	0.35290
Vapor Pressure	0.000175mmHg at 25°C
Refractive Index	1.737

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 3H-1,2,3-triazolo[4,5-c]pyridine?

The CAS number of 3H-1,2,3-triazolo[4,5-c]pyridine is 273-05-2.

What are the molecular formula and molecular weight of 3H-1,2,3-triazolo[4,5-c]pyridine?

3H-1,2,3-triazolo[4,5-c]pyridine has molecular formula C5H4N4 and molecular weight 120.11200 g/mol.

What are the upstream and downstream products of 3H-1,2,3-triazolo[4,5-c]pyridine?

For 3H-1,2,3-triazolo[4,5-c]pyridine, Upstream Products: 4-acetamido-3-aminopyridine, Isopropylamine, Benzylamine.

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. "3H-1,2,3-triazolo[4,5-c]pyridine (CAS 273-05-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493009-7 (accessed 2026-11-09).

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