4-Amino-1H-pyrazole-5-carboxamide

Also known as: 4-Amino-1H-pyrazole-3-carboxamide, 4-Amino-1H-pyrazole-3-carboxylic acid amide, 1H-Pyrazole-5-carboxamide, 4-amino-, 1H-Pyrazole-3-carboxamide, 4-amino-(9CI), 4-Amino-2H-pyrazole-3-carboxylic acid amide

4-Amino-1H-pyrazole-5-carboxamide (CAS 67221-50-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H6N4O and a molecular weight of 126.11700 g/mol. Key properties include a boiling point of 454.3ºC at 760 mmHg, a density of 1.538g/cm3 and a flash point of 228.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 67221-50-5
Jingsj CID: J-1172748-3
Molecular Formula: C₄H₆N₄O
Molecular Weight: 126.11700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	454.3ºC at 760 mmHg
Density	1.538g/cm3
Flash Point	228.5ºC
Exact Mass	126.05400
PSA	97.79000
LogP	0.37230
Refractive Index	1.707

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-Amino-1H-pyrazole-5-carboxamide?

The CAS number of 4-Amino-1H-pyrazole-5-carboxamide is 67221-50-5.

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

4-Amino-1H-pyrazole-5-carboxamide has molecular formula C4H6N4O and molecular weight 126.11700 g/mol.

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

For 4-Amino-1H-pyrazole-5-carboxamide, Upstream Products: 4-Nitro-1H-pyrazole-3-carboxamide; Downstream Products: 1,6-Dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one.

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-Amino-1H-pyrazole-5-carboxamide (CAS 67221-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1172748-3 (accessed 2026-11-09).

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