trans-Permethrin

About trans-Permethrin

trans-Permethrin is an impurity of Permethrin carrying the CAS registry number 61949-77-7. Formula C21H20Cl2O3, molecular weight 391.3 g/mol. The IUPAC name is cis-(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate. Alternative names: Biopermethrin and Biopermethrin [ISO].

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 5 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Permethrin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Permethrin

View every impurity, metabolite and intermediate we list for Permethrin.

Permethrin impurities

Specifications & identifiers

Chemical identifiers
Product name	trans-Permethrin
Catalogue No.	VQ-033140
CAS Number	61949-77-7
IUPAC name	cis-(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
Molecular formula	C₂₁H₂₀Cl₂O₃
Molecular weight	391.3 g/mol
Exact mass	390.0789
Grade	Reference Standard
HSN code	38229090
InChIKey	RLLPVAHGXHCWKJ-MJGOQNOKSA-N
SMILES	CC1([C@@H]([C@H]1C(=O)OCC2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C
PubChem CID	43859

Physical properties
Physical form	Solid
LogP (XLogP3)	6.5
H-bond donors / acceptors	0 / 3
TPSA	35.5 Å²
Synonyms	Biopermethrin, Biopermethrin [ISO], (1R)-trans-Permethrin, NRDC 147, NRDC-147, Transpermethrin [ISO], m-Phenoxybenzyl trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, NRDC-146, trans-meta-Phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, 1RS-trans-Permethrin

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H332Harmful if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P333 + P317, P362 + P364, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of trans-Permethrin?

The CAS Registry Number of trans-Permethrin is 61949-77-7. It is also known as Biopermethrin, Biopermethrin [ISO], (1R)-trans-Permethrin.

What is the molecular formula and molecular weight of trans-Permethrin?

trans-Permethrin has the molecular formula C21H20Cl2O3 and a molecular weight of 391.3 g/mol. Its IUPAC name is cis-(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate.

What is trans-Permethrin used for?

trans-Permethrin is supplied as a characterised reference material related to Permethrin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of trans-Permethrin can I order?

We supply trans-Permethrin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with trans-Permethrin?

Yes. Every lot of trans-Permethrin is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can trans-Permethrin be shipped internationally?

Yes. trans-Permethrin is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.