5-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde

Also known as: 1H-Pyrazole-4-carboxaldehyde, 5-chloro-1,3-dimethyl-, 5-Chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde, 5-Chloro-1,3-dimethylpyrazole-4-carboxaldehyde, 5-Chloro-1,3-dimethylpyrazole-4-carbaldehyde, 5-Chloro-4-formyl-1,3-dimethylpyrazole, MFCD00052538

5-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde (CAS 27006-76-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7ClN2O and a molecular weight of 158.586 g/mol. Key properties include a melting point of 78-79°C, a boiling point of 255.7±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 108.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 27006-76-4
Jingsj CID: J-5345-2
Molecular Formula: C₆H₇ClN₂O
Molecular Weight: 158.586 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	78-79°C
Boiling Point	255.7±35.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	108.4±25.9 °C
Exact Mass	158.024689
PSA	34.89000
LogP	1.46
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.572

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-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde?

The CAS number of 5-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde is 27006-76-4.

What are the molecular formula and molecular weight of 5-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde?

5-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde has molecular formula C6H7ClN2O and molecular weight 158.586 g/mol.

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. "5-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde (CAS 27006-76-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5345-2 (accessed 2026-11-09).

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