6-chloro-[1,2,4]triazolo[1,5-b]pyridazine

Also known as: 6-CHLORO[1,2,4]TRIAZOLO[1,5-B]PYRIDAZINE, [1,2,4]Triazolo[1,5-b]pyridazine, 6-chloro-, 6-Chloro-[1,2,4]triazolo[1,5-b]pyridazine

6-chloro-[1,2,4]triazolo[1,5-b]pyridazine (CAS 42399-79-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H3ClN4 and a molecular weight of 154.55700 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42399-79-1
Jingsj CID: J-1522853-2
Molecular Formula: C₅H₃ClN₄
Molecular Weight: 154.55700 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	154.00500
PSA	43.08000
LogP	0.77770

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 6-chloro-[1,2,4]triazolo[1,5-b]pyridazine?

The CAS number of 6-chloro-[1,2,4]triazolo[1,5-b]pyridazine is 42399-79-1.

What are the molecular formula and molecular weight of 6-chloro-[1,2,4]triazolo[1,5-b]pyridazine?

6-chloro-[1,2,4]triazolo[1,5-b]pyridazine has molecular formula C5H3ClN4 and molecular weight 154.55700 g/mol.

What are the upstream and downstream products of 6-chloro-[1,2,4]triazolo[1,5-b]pyridazine?

For 6-chloro-[1,2,4]triazolo[1,5-b]pyridazine, Upstream Products: N'-(6-Chloropyridazin-3-yl)-N,N-dimethyliminoformamide.

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. "6-chloro-[1,2,4]triazolo[1,5-b]pyridazine (CAS 42399-79-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522853-2 (accessed 2026-11-09).

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