5-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide

Also known as: 1H-Pyrazole-4-carboxamide, 5-amino-1-cyclopentyl-, 1H-Pyrazole-4-carboxamide,5-amino-1-cyclopentyl-(9CI), 5-amino-1-cyclopentyl-1H-pyrazol-4-carboxamide, 5-amino-1-cyclopentyl-1H-pyrazole-4-carboxylic acid amide, 5-amino-1-cyclopentylpyrazole-4-carboxamide

5-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide (CAS 666235-33-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H14N4O and a molecular weight of 194.23400 g/mol. Key properties include a boiling point of 416.211ºC at 760 mmHg, a density of 1.532g/cm3 and a flash point of 205.517ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 666235-33-2
Jingsj CID: J-1500803-4
Molecular Formula: C₉H₁₄N₄O
Molecular Weight: 194.23400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	416.211ºC at 760 mmHg
Density	1.532g/cm3
Flash Point	205.517ºC
Exact Mass	194.11700
PSA	86.93000
LogP	1.96080
Refractive Index	1.73

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-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide?

The CAS number of 5-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide is 666235-33-2.

What are the molecular formula and molecular weight of 5-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide?

5-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide has molecular formula C9H14N4O and molecular weight 194.23400 g/mol.

What are the upstream and downstream products of 5-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide?

For 5-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide, Upstream Products: 5-amino-1-cyclopentyl-1H-pyrazole-4-carbonitrile.

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-amino-1-cyclopentyl-1H-pyrazole-4-carboxamide (CAS 666235-33-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500803-4 (accessed 2026-11-09).

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