2-oxo-2-(1H-pyrazol-4-yl)acetic acid

2-氧代-2-(1H-吡唑-4-基)乙酸

2-oxo-2-(1H-pyrazol-4-yl)acetic acid (CAS 1490303-69-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O3 and a molecular weight of 140.10 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1490303-69-9
Jingsj CID: J-1383277-1
Molecular Formula: C₅H₄N₂O₃
Chinese Name: 2-氧代-2-(1H-吡唑-4-基)乙酸
Molecular Weight: 140.10 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-oxo-2-(1H-pyrazol-4-yl)acetic acid?

The CAS number of 2-oxo-2-(1H-pyrazol-4-yl)acetic acid is 1490303-69-9.

What are the molecular formula and molecular weight of 2-oxo-2-(1H-pyrazol-4-yl)acetic acid?

2-oxo-2-(1H-pyrazol-4-yl)acetic acid has molecular formula C5H4N2O3 and molecular weight 140.10 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-oxo-2-(1H-pyrazol-4-yl)acetic acid (CAS 1490303-69-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1383277-1 (accessed 2026-10-25).

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