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API Impurities

trans-Permethrin

Reference StandardAvailable on request

trans-Permethrin (CAS 61949-77-7) supplier Zemixal. Request a quote with price, lead time and documents. Ships from India to 120+ countries.

Pack sizes
trans-Permethrin chemical structure
CAS number61949-77-7
FormulaC21H20Cl2O3
Molar mass391.3 g/mol
Physical formSolid
HS code38229090
InChIKeyRLLPVAHGXHCWKJ-MJGOQNOKSA-N
IUPAC namecis-(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate

About trans-Permethrin

trans-Permethrin belongs to the Permethrin reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 61949-77-7, formula C21H20Cl2O3 and molar mass 391.3 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Hazard communication follows GHS (Warning: H302, H317, H332 and H400). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Permethrin

See every impurity, metabolite and related compound we list for this API.

Permethrin standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of trans-Permethrin
Product nametrans-Permethrin
Catalogue numberZX-031813
CAS number61949-77-7
IUPAC namecis-(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
Molecular formulaC21H20Cl2O3
Molar mass391.3 g/mol
Exact mass390.0789
GradeReference Standard
Physical formSolid
XLogP36.5
H-bond donors / acceptors0 / 3
Topological polar surface area35.5 Ų
HS code38229090
InChIKeyRLLPVAHGXHCWKJ-MJGOQNOKSA-N
SMILESCC1([C@@H]([C@H]1C(=O)OCC2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C
PubChem CID43859
SynonymsBiopermethrin, 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of trans-Permethrin
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about trans-Permethrin

Which CAS number identifies trans-Permethrin?
trans-Permethrin is registered under CAS 61949-77-7. You may also see it listed as Biopermethrin, Biopermethrin [ISO], (1R)-trans-Permethrin. Our catalogue number for this item is ZX-031813.
What are the formula and molar mass of trans-Permethrin?
For trans-Permethrin, its formula is C21H20Cl2O3 and its molar mass is 391.3 g/mol. The systematic (IUPAC) name is cis-(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate. InChIKey RLLPVAHGXHCWKJ-MJGOQNOKSA-N lets you match it in any structure database.
How is trans-Permethrin used in pharmaceutical QC?
trans-Permethrin is a characterised reference material linked to Permethrin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for trans-Permethrin?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with trans-Permethrin?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship trans-Permethrin to my country?
Yes. Because trans-Permethrin is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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