9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one

9-氯-2-甲基-5H-吡唑并[1,5-d][1,4]苯并二氮杂卓-6(7H)-酮

Also known as: 5H-Pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one, 9-chloro-2-methyl-, 9-Chloro-2-methyl-5H-benzo[f]pyrazolo[1,5-d][1,4]diazepin-6(7H)-one, 9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one USP/EP/BP

9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one (CAS 84661-23-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H10ClN3O and a molecular weight of 247.680 g/mol. It is also known as 5H-Pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one, 9-chloro-2-methyl-, 9-Chloro-2-methyl-5H-benzo[f]pyrazolo[1,5-d][1,4]diazepin-6(7H)-one and 9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one USP/EP/BP. Key properties include a melting point of 286 ºC, a boiling point of 509.8±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 262.1±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
84661-23-4
Jingsj CID
J-1345388-2
Molecular Formula
C12H10ClN3O
Chinese Name
9-氯-2-甲基-5H-吡唑并[1,5-d][1,4]苯并二氮杂卓-6(7H)-酮
Molecular Weight
247.680 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point286 ºC
Boiling Point509.8±40.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point262.1±27.3 °C

Frequently Asked Questions

What is the CAS number of 9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one?

The CAS number of 9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one is 84661-23-4.

What are the molecular formula and molecular weight of 9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one?

9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one has molecular formula C12H10ClN3O and molecular weight 247.680 g/mol.

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

Last updated:

How to cite: Jingsj. "9-Chloro-2-methyl-5H-pyrazolo[1,5-d][1,4]benzodiazepin-6(7H)-one (CAS 84661-23-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345388-2 (accessed 2026-10-24).

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