4,5-dihydro-5-oxo-1H-imidazole-2-sulfonic acid

4,5-二氢-5-氧代-1H-咪唑-2-磺酸

Also known as: 1H-Imidazole-2-sulfonic acid, 4,5-dihydro-5-oxo-, 2-Imidazoline-2-sulfonic acid, 5-oxo- (4CI), 4-Oxo-4,5-dihydro-1H-imidazole-2-sulfonic acid, 5-oxo-1,4-dihydroimidazole-2-sulfonic acid

4,5-dihydro-5-oxo-1H-imidazole-2-sulfonic acid (CAS 858511-41-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H4N2O4S and a molecular weight of 164.14000 g/mol. It is also known as 1H-Imidazole-2-sulfonic acid, 4,5-dihydro-5-oxo-, 2-Imidazoline-2-sulfonic acid, 5-oxo- (4CI) and 4-Oxo-4,5-dihydro-1H-imidazole-2-sulfonic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 858511-41-8
Jingsj CID: J-1605116-0
Molecular Formula: C₃H₄N₂O₄S
Chinese Name: 4,5-二氢-5-氧代-1H-咪唑-2-磺酸
Molecular Weight: 164.14000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4,5-dihydro-5-oxo-1H-imidazole-2-sulfonic acid?

The CAS number of 4,5-dihydro-5-oxo-1H-imidazole-2-sulfonic acid is 858511-41-8.

What are the molecular formula and molecular weight of 4,5-dihydro-5-oxo-1H-imidazole-2-sulfonic acid?

4,5-dihydro-5-oxo-1H-imidazole-2-sulfonic acid has molecular formula C3H4N2O4S and molecular weight 164.14000 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. "4,5-dihydro-5-oxo-1H-imidazole-2-sulfonic acid (CAS 858511-41-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1605116-0 (accessed 2026-10-25).

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