3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine

Also known as: 3,6-Dichloro-s-triazolo[4,3-b]pyridazine, 1,2,4-Triazolo[4,3-b]pyridazine, 3,6-dichloro-, 3,6-Dichloro[1,2,4]triazolo[4,3-b]pyridazine

3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine (CAS 33050-38-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H2Cl2N4 and a molecular weight of 189.00200 g/mol. Key properties include a melting point of 140-143ºC and a density of 1.9g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33050-38-3
Jingsj CID: J-1057746-5
Molecular Formula: C₅H₂Cl₂N₄
Molecular Weight: 189.00200 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	140-143ºC
Density	1.9g/cm3
Exact Mass	187.96600
PSA	43.08000
LogP	1.43110
Refractive Index	1.807

Frequently Asked Questions

What is the CAS number of 3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine?

The CAS number of 3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine is 33050-38-3.

What are the molecular formula and molecular weight of 3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine?

3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine has molecular formula C5H2Cl2N4 and molecular weight 189.00200 g/mol.

What are the upstream and downstream products of 3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine?

For 3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine, Upstream Products: 6-Chloro[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one, 6-Chloro-[1,2,4]triazolo[4,3-b]pyridazine, 3-Chloro-6-hydrazinylpyridazine.

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. "3,6-dichloro-[1,2,4]triazolo[4,3-b]pyridazine (CAS 33050-38-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1057746-5 (accessed 2026-11-09).

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