Chloroacetylenic rac-trans Permethrin

Also known as: Cyclopropanecarboxylic acid, 3-(chloroethynyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, trans- (9CI), Cypermethrin Impurity 1 (Mixture of Diastereomers)

Chloroacetylenic rac-trans Permethrin (CAS 65133-01-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H19ClO3 and a molecular weight of 354.8 g/mol. It is also known as Cyclopropanecarboxylic acid, 3-(chloroethynyl)-2,2-dimethyl-, (3-phenoxyphenyl)methyl ester, trans- (9CI) and Cypermethrin Impurity 1 (Mixture of Diastereomers). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
65133-01-9
Jingsj CID
J-906256-8
Molecular Formula
C21H19ClO3
Molecular Weight
354.8 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Chloroacetylenic rac-trans Permethrin?

The CAS number of Chloroacetylenic rac-trans Permethrin is 65133-01-9.

What are the molecular formula and molecular weight of Chloroacetylenic rac-trans Permethrin?

Chloroacetylenic rac-trans Permethrin has molecular formula C21H19ClO3 and molecular weight 354.8 g/mol.

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

Last updated:

How to cite: Jingsj. "Chloroacetylenic rac-trans Permethrin (CAS 65133-01-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-906256-8 (accessed 2026-10-23).

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