R-allethrin

Also known as: (1R)-allethrin, D-cis,trans-Allethrin, D-cis-trans-Allethrin, (1R)-2-methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl (1S,3S)-2,2-dimethyl-3-(2-methyl-1-propen-1-yl)cyclopropanecarboxylate, Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (1R)-2-methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl ester, (1S,3S)-rel-

R-allethrin (CAS 42534-61-2) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C19H26O3 and a molecular weight of 302.40800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42534-61-2
Jingsj CID: J-972848-8
Molecular Formula: C₁₉H₂₆O₃
Molecular Weight: 302.40800 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	302.18800
PSA	43.37000
LogP	4.00200

Frequently Asked Questions

What is the CAS number of R-allethrin?

The CAS number of R-allethrin is 42534-61-2.

What are the molecular formula and molecular weight of R-allethrin?

R-allethrin has molecular formula C19H26O3 and molecular weight 302.40800 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. "R-allethrin (CAS 42534-61-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-972848-8 (accessed 2026-11-06).

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