3-Methyl-1,2,4-triazolo[3,4-a]phthalazine

Also known as: 3-Methyl-[1,2,4]triazolo[3,4-a]phthalazine, 3-Methyltriazolophthalazine, Hydralazine Triazolo Methyl Impurity, NSC 116346, 3-Methyl-s-triazolo(3,4-a)phthalazine

3-Methyl-1,2,4-triazolo[3,4-a]phthalazine (CAS 20062-41-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H8N4 and a molecular weight of 184.19700 g/mol. Key properties include a melting point of 168-170ºC and a density of 1.39g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20062-41-3
Jingsj CID: J-1444293-4
Molecular Formula: C₁₀H₈N₄
Molecular Weight: 184.19700 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	168-170ºC
Density	1.39g/cm3
Exact Mass	184.07500
PSA	43.08000
LogP	1.58590
Refractive Index	1.752

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 3-Methyl-1,2,4-triazolo[3,4-a]phthalazine?

The CAS number of 3-Methyl-1,2,4-triazolo[3,4-a]phthalazine is 20062-41-3.

What are the molecular formula and molecular weight of 3-Methyl-1,2,4-triazolo[3,4-a]phthalazine?

3-Methyl-1,2,4-triazolo[3,4-a]phthalazine has molecular formula C10H8N4 and molecular weight 184.19700 g/mol.

What are the upstream and downstream products of 3-Methyl-1,2,4-triazolo[3,4-a]phthalazine?

For 3-Methyl-1,2,4-triazolo[3,4-a]phthalazine, Upstream Products: 4,4-Dimethoxy-2-butanone, Hydralazine hydrochloride, ch3cho.

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-Methyl-1,2,4-triazolo[3,4-a]phthalazine (CAS 20062-41-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1444293-4 (accessed 2026-11-09).

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