4H-1-OXA-3,4-DIAZA-PENTALENE-5-CARBOXYLIC ACID

4H-吡咯并[2,3-D]恶唑-5-羧酸

Also known as: 4H-PYRROLO[2,3-D]OXAZOLE-5-CARBOXYLIC ACID, 4H-pyrrolo[2,3-d][1,3]oxazole-5-carboxylic acid, 4H-1-OXA-3,4-DIAZA-PENTALENE-5-CARBOXYLIC ACID

4H-1-OXA-3,4-DIAZA-PENTALENE-5-CARBOXYLIC ACID (CAS 1041421-52-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H4N2O3 and a molecular weight of 152.10800 g/mol. It is also known as 4H-PYRROLO[2,3-D]OXAZOLE-5-CARBOXYLIC ACID and 4H-pyrrolo[2,3-d][1,3]oxazole-5-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1041421-52-6
Jingsj CID: J-1115171-7
Molecular Formula: C₆H₄N₂O₃
Chinese Name: 4H-吡咯并[2,3-D]恶唑-5-羧酸
Molecular Weight: 152.10800 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4H-1-OXA-3,4-DIAZA-PENTALENE-5-CARBOXYLIC ACID?

The CAS number of 4H-1-OXA-3,4-DIAZA-PENTALENE-5-CARBOXYLIC ACID is 1041421-52-6.

What are the molecular formula and molecular weight of 4H-1-OXA-3,4-DIAZA-PENTALENE-5-CARBOXYLIC ACID?

4H-1-OXA-3,4-DIAZA-PENTALENE-5-CARBOXYLIC ACID has molecular formula C6H4N2O3 and molecular weight 152.10800 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. "4H-1-OXA-3,4-DIAZA-PENTALENE-5-CARBOXYLIC ACID (CAS 1041421-52-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115171-7 (accessed 2026-10-25).

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