4,5-Dihydroisothiazole 1,1-dioxide

4,5-二氢异噻唑1,1-二氧化物

Also known as: 4,5-Dihydro-1,2-thiazole 1,1-dioxide, Isothiazole, 4,5-dihydro-, 1,1-dioxide

4,5-Dihydroisothiazole 1,1-dioxide (CAS 881652-45-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H5NO2S and a molecular weight of 119.14200 g/mol. It is also known as 4,5-Dihydro-1,2-thiazole 1,1-dioxide and Isothiazole, 4,5-dihydro-, 1,1-dioxide. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 881652-45-5
Jingsj CID: J-892118-9
Molecular Formula: C₃H₅NO₂S
Chinese Name: 4,5-二氢异噻唑1,1-二氧化物
Molecular Weight: 119.14200 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-Dihydroisothiazole 1,1-dioxide?

The CAS number of 4,5-Dihydroisothiazole 1,1-dioxide is 881652-45-5.

What are the molecular formula and molecular weight of 4,5-Dihydroisothiazole 1,1-dioxide?

4,5-Dihydroisothiazole 1,1-dioxide has molecular formula C3H5NO2S and molecular weight 119.14200 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-Dihydroisothiazole 1,1-dioxide (CAS 881652-45-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-892118-9 (accessed 2026-10-23).

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