5-Amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid

5-氨基-3-氧代-2,3-二氢-1H-吡唑-4-羧酸

Also known as: 5-Amino-2,3-dihydro-3-oxo-1H-pyrazole-4-carboxylic acid, 1H-Pyrazole-4-carboxylic acid, 5-amino-2,3-dihydro-3-oxo-, 5-Amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid, 3-amino-5-oxo-1,2-dihydropyrazole-4-carboxylic acid, 5-AMINO-3-OXO-2,3-DIHYDRO-1H-PYRAZOLE-4-CARBOXYLIC ACID

5-Amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid (CAS 412301-20-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O3 and a molecular weight of 143.10100 g/mol. It is also known as 5-Amino-2,3-dihydro-3-oxo-1H-pyrazole-4-carboxylic acid, 1H-Pyrazole-4-carboxylic acid, 5-amino-2,3-dihydro-3-oxo- and 3-amino-5-oxo-1,2-dihydropyrazole-4-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
412301-20-3
Jingsj CID
J-1003028-4
Molecular Formula
C4H5N3O3
Chinese Name
5-氨基-3-氧代-2,3-二氢-1H-吡唑-4-羧酸
Molecular Weight
143.10100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid?

The CAS number of 5-Amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid is 412301-20-3.

What are the molecular formula and molecular weight of 5-Amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid?

5-Amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid has molecular formula C4H5N3O3 and molecular weight 143.10100 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-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid (CAS 412301-20-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1003028-4 (accessed 2026-10-26).

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