1,5-Diphenyl-1H-pyrazole-3-carboxylic acid

Also known as: 1,5-diphenylpyrazole-3-carboxylic acid, 1,5-Diphenyl-1H-pyrazol-3-carbonsaeure, 1,5-di(phenyl)-3-pyrazolecarboxylic acid, 1,5-di(phenyl)pyrazole-3-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 1,5-diphenyl-

1,5-Diphenyl-1H-pyrazole-3-carboxylic acid (CAS 13599-22-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H12N2O2 and a molecular weight of 264.27900 g/mol. Key properties include a boiling point of 496.2ºC at 760 mmHg, a density of 1.23g/cm3 and a flash point of 253.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13599-22-9
Jingsj CID: J-1104393-9
Molecular Formula: C₁₆H₁₂N₂O₂
Molecular Weight: 264.27900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	496.2ºC at 760 mmHg
Density	1.23g/cm3
Flash Point	253.9ºC
Exact Mass	264.09000
PSA	55.12000
LogP	3.23750
Vapor Pressure	1.16E-10mmHg at 25°C

Customs & Trade Information

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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 1,5-Diphenyl-1H-pyrazole-3-carboxylic acid?

The CAS number of 1,5-Diphenyl-1H-pyrazole-3-carboxylic acid is 13599-22-9.

What are the molecular formula and molecular weight of 1,5-Diphenyl-1H-pyrazole-3-carboxylic acid?

1,5-Diphenyl-1H-pyrazole-3-carboxylic acid has molecular formula C16H12N2O2 and molecular weight 264.27900 g/mol.

What are the upstream and downstream products of 1,5-Diphenyl-1H-pyrazole-3-carboxylic acid?

For 1,5-Diphenyl-1H-pyrazole-3-carboxylic acid, Upstream Products: 1,5-Diphenyl-3-methyl-1H-pyrazole, 5-Phenyl-1,2-oxazole-3-carboxylic acid, Phenylhydrazine; Downstream Products: 1,5-Diphenyl-1H-pyrazole.

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. "1,5-Diphenyl-1H-pyrazole-3-carboxylic acid (CAS 13599-22-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1104393-9 (accessed 2026-11-09).

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