5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid

5-(3,4-二氯苯基)-1H-吡唑-3-羧酸

Also known as: 5-(3,4-DICHLOROPHENYL)-1H-PYRAZOLE-3-CARBOXYLIC ACID, 1H-Pyrazole-3-carboxylic acid, 5-(3,4-dichlorophenyl)-, 1H-pyrazole-5-carboxylic acid, 3-(3,4-dichlorophenyl)-, 3-(3,4-Dichlorophenyl)-1H-pyrazole-5-carboxylic acid, 3-(3,4-dichlorophenyl)-1H-pyrazole-5-carboxylate, 5-(3,4-Dichlorophenyl)-1H-pyrazol-3-carboxylic acid, AKOS B020534, ART-CHEM-BB B020534

5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 276684-04-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H6Cl2N2O2 and a molecular weight of 257.073 g/mol. It is also known as 5-(3,4-DICHLOROPHENYL)-1H-PYRAZOLE-3-CARBOXYLIC ACID, 1H-Pyrazole-3-carboxylic acid, 5-(3,4-dichlorophenyl)- and 1H-pyrazole-5-carboxylic acid, 3-(3,4-dichlorophenyl)-. Key properties include a boiling point of 541.4±50.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 281.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 276684-04-9
Jingsj CID: J-1583250-4
Molecular Formula: C₁₀H₆Cl₂N₂O₂
Chinese Name: 5-(3,4-二氯苯基)-1H-吡唑-3-羧酸
Molecular Weight: 257.073 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	541.4±50.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	281.2±30.1 °C
Exact Mass	255.980637
PSA	65.98000
LogP	2.90
Vapor Pressure	0.0±1.5 mmHg at 25°C
Refractive Index	1.660

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 5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid?

The CAS number of 5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid is 276684-04-9.

What are the molecular formula and molecular weight of 5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid?

5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid has molecular formula C10H6Cl2N2O2 and molecular weight 257.073 g/mol.

What are the upstream and downstream products of 5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid?

For 5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid, Upstream Products: 1-(3,4-dichlorophenyl)ethanone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 276684-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1583250-4 (accessed 2026-10-28).

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