5-amino-1-methyl-1H-pyrazole-4-carbohydrazide

5-氨基-1-甲基-4-吡唑甲酰肼

Also known as: 1H-Pyrazole-4-carboxylic acid, 5-amino-1-methyl-, hydrazide, 1H-Pyrazole-4-carboxylicacid,5-amino-1-methyl-,hydrazide(9CI), 5-amino-1-methyl-1H-pyrazole-4-carboxhydrazide, 5-amino-1-methyl-1Hpyrazole carbohydrazide, 5-amino-1-methylpyrazole-4-carbohydrazide, 5-amino-1-methylpyrazole-4-carboxhydrazide, BUTTPARK 87\09-18

5-amino-1-methyl-1H-pyrazole-4-carbohydrazide (CAS 99347-21-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H9N5O and a molecular weight of 155.15800 g/mol. It is also known as 1H-Pyrazole-4-carboxylic acid, 5-amino-1-methyl-, hydrazide, 1H-Pyrazole-4-carboxylicacid,5-amino-1-methyl-,hydrazide(9CI) and 5-amino-1-methyl-1H-pyrazole-4-carboxhydrazide. Key properties include a melting point of 237-240ºC and a density of 1.63g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
99347-21-4
Jingsj CID
J-1519002-8
Molecular Formula
C5H9N5O
Chinese Name
5-氨基-1-甲基-4-吡唑甲酰肼
Molecular Weight
155.15800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point237-240ºC
Density1.63g/cm3

Frequently Asked Questions

What is the CAS number of 5-amino-1-methyl-1H-pyrazole-4-carbohydrazide?

The CAS number of 5-amino-1-methyl-1H-pyrazole-4-carbohydrazide is 99347-21-4.

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

5-amino-1-methyl-1H-pyrazole-4-carbohydrazide has molecular formula C5H9N5O and molecular weight 155.15800 g/mol.

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

Last updated:

How to cite: Jingsj. "5-amino-1-methyl-1H-pyrazole-4-carbohydrazide (CAS 99347-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519002-8 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.