4-(benzothiazol-2-ylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

4-(2-苯并噻唑基偶氮)-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮

Also known as: 1-Phenyl-3-methyl-4-(benzothiazole-2-ylazo)-1H-pyrazole-5(4H)-one, 3H-Pyrazol-3-one,4-(2-benzothiazolylazo)-2,4-dihydro-5-methyl-2-phenyl-, 4-(1,3-benzothiazol-2-yldiazenyl)-5-methyl-2-phenyl-4H-pyrazol-3-one, 4-(2-benzothiazolylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-Pyrazol-3-one, 4-benzothiazol-2-yldiazenyl-5-methyl-2-phenyl-4H-pyrazol-3-one, EINECS 282-897-0

4-(benzothiazol-2-ylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one (CAS 84455-35-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H13N5OS and a molecular weight of 335.38300 g/mol. It is also known as 1-Phenyl-3-methyl-4-(benzothiazole-2-ylazo)-1H-pyrazole-5(4H)-one, 3H-Pyrazol-3-one,4-(2-benzothiazolylazo)-2,4-dihydro-5-methyl-2-phenyl- and 4-(1,3-benzothiazol-2-yldiazenyl)-5-methyl-2-phenyl-4H-pyrazol-3-one. Key properties include a boiling point of 554.3ºC at 760 mmHg, a density of 1.44g/cm3 and a flash point of 289ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
84455-35-6
Jingsj CID
J-903885-3
Molecular Formula
C17H13N5OS
Chinese Name
4-(2-苯并噻唑基偶氮)-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮
Molecular Weight
335.38300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point554.3ºC at 760 mmHg
Density1.44g/cm3
Flash Point289ºC

Frequently Asked Questions

What is the CAS number of 4-(benzothiazol-2-ylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one?

The CAS number of 4-(benzothiazol-2-ylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one is 84455-35-6.

What are the molecular formula and molecular weight of 4-(benzothiazol-2-ylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one?

4-(benzothiazol-2-ylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one has molecular formula C17H13N5OS and molecular weight 335.38300 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(benzothiazol-2-ylazo)-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one (CAS 84455-35-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-903885-3 (accessed 2026-10-24).

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