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

Also known as: 5-Amino-1-methylpyrazole-4-carboxamide, 5-Amino-1-methyl-1H-pyrazole-4-carboxamide, tech, 1H-Pyrazole-4-carboxamide, 5-amino-1-methyl- (9CI), 5-Amino-4-carbamoyl-1-methyl-1H-pyrazole, 5-Amino-4-(aminocarbonyl)-1-methyl-1H-pyrazole

5-Amino-1-methyl-1H-pyrazole-4-carboxamide (CAS 18213-75-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H8N4O and a molecular weight of 140.14300 g/mol. Key properties include a melting point of 231-232ºC, a boiling point of 355.1ºC at 760mmHg, a density of 1.56g/cm3 and a flash point of 168.6ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18213-75-7
Jingsj CID
J-25217-5
Molecular Formula
C5H8N4O
Molecular Weight
140.14300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point231-232ºC
Boiling Point355.1ºC at 760mmHg
Density1.56g/cm3
Flash Point168.6ºC
Exact Mass140.07000
PSA86.93000
LogP0.38270
Vapor Pressure3.2E-05mmHg at 25°C
Refractive Index1.695

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed

Customs & Trade Information

HS Code2933199090
Summary2933199090. 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-methyl-1H-pyrazole-4-carboxamide?

The CAS number of 5-Amino-1-methyl-1H-pyrazole-4-carboxamide is 18213-75-7.

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

5-Amino-1-methyl-1H-pyrazole-4-carboxamide has molecular formula C5H8N4O and molecular weight 140.14300 g/mol.

Is 5-Amino-1-methyl-1H-pyrazole-4-carboxamide hazardous?

5-Amino-1-methyl-1H-pyrazole-4-carboxamide has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.

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

For 5-Amino-1-methyl-1H-pyrazole-4-carboxamide, Upstream Products: 5-Amino-1-methyl-1H-pyrazole-4-carbonitrile, Methylhydrazine sulfate; Downstream Products: 1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-ol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-Amino-1-methyl-1H-pyrazole-4-carboxamide (CAS 18213-75-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25217-5 (accessed 2026-11-09).

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