3,7-Dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one

3,7-二甲基异恶唑并[4,5-d]哒嗪-4(5H)-酮

Also known as: Isoxazolo[4,5-d]pyridazin-4(5H)-one, 3,7-dimethyl- (9CI), Isoxazolo[4,5-d]pyridazin-4(5H)-one, 3,7-dimethyl-, 3,7-Dimethyl[1,2]oxazolo[4,5-d]pyridazin-4(5H)-one, 3,7-dimethyl-5H-[1,2]oxazolo[4,5-d]pyridazin-4-one, 3,7-dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one

3,7-Dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 129663-22-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H7N3O2 and a molecular weight of 165.149 g/mol. It is also known as Isoxazolo[4,5-d]pyridazin-4(5H)-one, 3,7-dimethyl- (9CI), Isoxazolo[4,5-d]pyridazin-4(5H)-one, 3,7-dimethyl- and 3,7-Dimethyl[1,2]oxazolo[4,5-d]pyridazin-4(5H)-one. Key property: a density of 1.6±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
129663-22-5
Jingsj CID
J-1493232-4
Molecular Formula
C7H7N3O2
Chinese Name
3,7-二甲基异恶唑并[4,5-d]哒嗪-4(5H)-酮
Molecular Weight
165.149 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Density1.6±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of 3,7-Dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one?

The CAS number of 3,7-Dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one is 129663-22-5.

What are the molecular formula and molecular weight of 3,7-Dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one?

3,7-Dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one has molecular formula C7H7N3O2 and molecular weight 165.149 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3,7-Dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 129663-22-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1493232-4 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.