Cyclopenthiazide

环戊噻嗪

Also known as: 6-chloro-3-(cyclopentylmethyl)-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide, 3-cyclopentylmethyl-6-chloro-7-sulfamyl-3,4-dihydro-1,2,4-benzothiadiazine 1,1-dioxide, 6-chloro-3-(cyclopentylmethyl)-1,1-dioxo-3,4-dihydro-2H-1λ6,2,4-benzothiadiazine-7-sulfonamide, Navidrix, Salimed, Salimid, SU 8341

Cyclopenthiazide (CAS 742-20-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H18ClN3O4S2 and a molecular weight of 379.883 g/mol. It is also known as 6-chloro-3-(cyclopentylmethyl)-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide, 3-cyclopentylmethyl-6-chloro-7-sulfamyl-3,4-dihydro-1,2,4-benzothiadiazine 1,1-dioxide and 6-chloro-3-(cyclopentylmethyl)-1,1-dioxo-3,4-dihydro-2H-1λ6,2,4-benzothiadiazine-7-sulfonamide. Key properties include a melting point of 238-242ºC, a boiling point of 605.6±65.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 320.1±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
742-20-1
Jingsj CID
J-25112-1
Molecular Formula
C13H18ClN3O4S2
Chinese Name
环戊噻嗪
Molecular Weight
379.883 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point238-242ºC
Boiling Point605.6±65.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point320.1±34.3 °C

Frequently Asked Questions

What is the CAS number of Cyclopenthiazide?

The CAS number of Cyclopenthiazide is 742-20-1.

What are the molecular formula and molecular weight of Cyclopenthiazide?

Cyclopenthiazide has molecular formula C13H18ClN3O4S2 and molecular weight 379.883 g/mol.

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

Last updated:

How to cite: Jingsj. "Cyclopenthiazide (CAS 742-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25112-1 (accessed 2026-10-22).

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