5,6,7-Trimethyl-2,6-dihydro-1H-pyrrolo[3,4-d]pyridazin-1-one

5,6,7-三甲基-2,6-二氢-1H-吡咯并[3,4-d]哒嗪-1-酮

Also known as: 1H-Pyrrolo[3,4-d]pyridazin-1-one, 2,6-dihydro-5,6,7-trimethyl-, 5,6,7-Trimethyl-2H-pyrrolo[3,4-d]pyridazin-1-one, 2,6-Dihydro-5,6,7-trimethyl-1H-pyrrolo[3,4-d]pyridazin-1-one, 5,6,7-Trimethyl-1H,2H,6H-pyrrolo[3,4-d]pyridazin-1-one

5,6,7-Trimethyl-2,6-dihydro-1H-pyrrolo[3,4-d]pyridazin-1-one (CAS 90817-87-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H11N3O and a molecular weight of 177.20300 g/mol. It is also known as 1H-Pyrrolo[3,4-d]pyridazin-1-one, 2,6-dihydro-5,6,7-trimethyl-, 5,6,7-Trimethyl-2H-pyrrolo[3,4-d]pyridazin-1-one and 2,6-Dihydro-5,6,7-trimethyl-1H-pyrrolo[3,4-d]pyridazin-1-one. Key property: a density of 1.3g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90817-87-1
Jingsj CID
J-1177871-2
Molecular Formula
C9H11N3O
Chinese Name
5,6,7-三甲基-2,6-二氢-1H-吡咯并[3,4-d]哒嗪-1-酮
Molecular Weight
177.20300 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Density1.3g/cm3

Frequently Asked Questions

What is the CAS number of 5,6,7-Trimethyl-2,6-dihydro-1H-pyrrolo[3,4-d]pyridazin-1-one?

The CAS number of 5,6,7-Trimethyl-2,6-dihydro-1H-pyrrolo[3,4-d]pyridazin-1-one is 90817-87-1.

What are the molecular formula and molecular weight of 5,6,7-Trimethyl-2,6-dihydro-1H-pyrrolo[3,4-d]pyridazin-1-one?

5,6,7-Trimethyl-2,6-dihydro-1H-pyrrolo[3,4-d]pyridazin-1-one has molecular formula C9H11N3O and molecular weight 177.20300 g/mol.

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

Last updated:

How to cite: Jingsj. "5,6,7-Trimethyl-2,6-dihydro-1H-pyrrolo[3,4-d]pyridazin-1-one (CAS 90817-87-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1177871-2 (accessed 2026-10-24).

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