4-(4-Chlorophenyl)-1H-pyrazol-5-amine

Also known as: 4-(4-chlorophenyl)-2H-pyrazol-3-amine, 3-Amino-4-(4-chlorophenyl)pyrazole, 3-Amino-4-(p-chlorophenyl)pyrazole, 4-(4-chlorophenyl)-1(2)H-pyrazol-3-ylamine, USAF EL-83, Pyrazole, 3-amino-4-(p-chlorophenyl)-, 4-(p-Chlorophenyl)-3-aminopyrazole, 3-Amino-4-(p-chlorphenyl)pyrazol

4-(4-Chlorophenyl)-1H-pyrazol-5-amine (CAS 40545-65-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8ClN3 and a molecular weight of 193.63300 g/mol. Key properties include a boiling point of 419ºC at 760 mmHg, a density of 1.378g/cm3 and a flash point of 207.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40545-65-1
Jingsj CID: J-1472944-3
Molecular Formula: C₉H₈ClN₃
Molecular Weight: 193.63300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	419ºC at 760 mmHg
Density	1.378g/cm3
Flash Point	207.2ºC
Exact Mass	193.04100
PSA	54.70000
LogP	2.89350
Refractive Index	1.67

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 4-(4-Chlorophenyl)-1H-pyrazol-5-amine?

The CAS number of 4-(4-Chlorophenyl)-1H-pyrazol-5-amine is 40545-65-1.

What are the molecular formula and molecular weight of 4-(4-Chlorophenyl)-1H-pyrazol-5-amine?

4-(4-Chlorophenyl)-1H-pyrazol-5-amine has molecular formula C9H8ClN3 and molecular weight 193.63300 g/mol.

What are the upstream and downstream products of 4-(4-Chlorophenyl)-1H-pyrazol-5-amine?

For 4-(4-Chlorophenyl)-1H-pyrazol-5-amine, Upstream Products: 2-(4-chlorophenyl)-2-oxoacetonitrile.

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. "4-(4-Chlorophenyl)-1H-pyrazol-5-amine (CAS 40545-65-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1472944-3 (accessed 2026-11-09).

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