5-cyclopentyl-1H-pyrazol-3-amine

Also known as: 3-Cyclopentyl-1H-pyrazol-5-amine, 3-Amino-5-cyclopentyl-1H-pyrazole, 3-Amino-5-cyclopentyl-2H-pyrazole, 5-Cyclopentyl-1H-pyrazol-3-amine, 1H-Pyrazol-3-amine, 5-cyclopentyl-, 1H-Pyrazol-5-amine, 3-cyclopentyl-

5-cyclopentyl-1H-pyrazol-3-amine (CAS 264209-16-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H13N3 and a molecular weight of 151.209 g/mol. Key properties include a boiling point of 373.5±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 207.5±11.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 264209-16-7
Jingsj CID: J-1161969-5
Molecular Formula: C₈H₁₃N₃
Molecular Weight: 151.209 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	373.5±30.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	207.5±11.8 °C
Exact Mass	151.110947
PSA	54.70000
LogP	1.66
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.616

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-cyclopentyl-1H-pyrazol-3-amine?

The CAS number of 5-cyclopentyl-1H-pyrazol-3-amine is 264209-16-7.

What are the molecular formula and molecular weight of 5-cyclopentyl-1H-pyrazol-3-amine?

5-cyclopentyl-1H-pyrazol-3-amine has molecular formula C8H13N3 and molecular weight 151.209 g/mol.

What are the upstream and downstream products of 5-cyclopentyl-1H-pyrazol-3-amine?

For 5-cyclopentyl-1H-pyrazol-3-amine, Upstream Products: 3-Cyclopentyl-3-oxopropanenitrile.

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-cyclopentyl-1H-pyrazol-3-amine (CAS 264209-16-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1161969-5 (accessed 2026-11-09).

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