Cyclethrin

Also known as: (RS)-3-[(RS)-cyclopent-2-en-1-yl]-2-methyl-4-oxocyclopent-2-en-1-yl (1RS,3RS;1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate, (±)-3-cyclopent-2-en-1-yl-2-methyl-4-oxocyclopent-2-en-1-yl (±)-cis-trans-chrysanthemate, 3-(2-cyclopenten-1-yl)-2-methyl-4-oxo-2-cyclopenten-1-yl 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cyclopropanecarboxylate, American cyanamid-43064, Cyclopentenylrethonyl chrysanthemate, ENT-22952, PYPYRETHRIN, AC43064

Cyclethrin (CAS 97-11-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C21H28O3 and a molecular weight of 328.44500 g/mol. Key properties include a boiling point of 426.8ºC at 760mmHg, a density of 1.09g/cm3 and a flash point of 184.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 97-11-0
Jingsj CID: J-1357711-5
Molecular Formula: C₂₁H₂₈O₃
Molecular Weight: 328.44500 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	426.8ºC at 760mmHg
Density	1.09g/cm3
Flash Point	184.1ºC
Exact Mass	328.20400
PSA	43.37000
LogP	4.39210
Refractive Index	1.54

Frequently Asked Questions

What is the CAS number of Cyclethrin?

The CAS number of Cyclethrin is 97-11-0.

What are the molecular formula and molecular weight of Cyclethrin?

Cyclethrin has molecular formula C21H28O3 and molecular weight 328.44500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Cyclethrin (CAS 97-11-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357711-5 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.