WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 573439

CAS#: 67375-30-8

Description: alpha-Cypermethrin is a synthetic pyrethroid pesticide.

Chemical Structure

CAS# 67375-30-8

Theoretical Analysis

MedKoo Cat#: 573439
Name: alpha-Cypermethrin
CAS#: 67375-30-8
Chemical Formula: C22H19Cl2NO3
Exact Mass: 415.0742
Molecular Weight: 416.3
Elemental Analysis: C, 63.47; H, 4.60; Cl, 17.03; N, 3.36; O, 11.53

Price and Availability

Size Price Availability Quantity
50.0mg USD 245.0 2 Weeks
100.0mg USD 375.0 2 Weeks
250.0mg USD 550.0 2 Weeks
1.0g USD 750.0 2 Weeks
10.0g USD 1000.0 2 Weeks
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Synonym: (+-)-Alphamethrin, Aeralfam, AI3-29297, Alfamethrin, alpha-Cypermethrin, Alfazot, Alfoxylate, Alphacypermethrin, Alphamethrin, WL 85871

IUPAC/Chemical Name: (SR)-alpha-Cyano-3-phenoxybenzyl (1RS,3RS)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate


InChi Code: 1S/C22H19Cl2NO3/c1-22(2)17(12-19(23)24)20(22)21(26)28-18(13-25)14-7-6-10-16(11-14)27-15-8-4-3-5-9-15/h3-12,17-18,20H,1-2H3/t17-,18+,20-/m0/s1

SMILES Code: CC1(C)[C@@H](C=C(Cl)Cl)[C@H]1C(=O)O[C@H](C#N)c2cccc(Oc3ccccc3)c2

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 416.3 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Ghorzi H, Merzouk H, Hocine L, Merzouk SA. Long term biochemical changes in offspring of rats fed diet containing alpha-cypermethrin. Pestic Biochem Physiol. 2017 Oct;142:133-140. doi: 10.1016/j.pestbp.2017.05.010. Epub 2017 May 31. PubMed PMID: 29107236.

2: Rodríguez-Hidalgo R, Pérez-Otáñez X, Garcés-Carrera S, Vanwambeke SO, Madder M, Benítez-Ortiz W. The current status of resistance to alpha-cypermethrin, ivermectin, and amitraz of the cattle tick (Rhipicephalus microplus) in Ecuador. PLoS One. 2017 Apr 7;12(4):e0174652. doi: 10.1371/journal.pone.0174652. eCollection 2017. PubMed PMID: 28388639; PubMed Central PMCID: PMC5384665.

3: Hocine L, Merzouk H, Merzouk SA, Ghorzi H, Youbi M, Narce M. The effects of alpha-cypermethrin exposure on biochemical and redox parameters in pregnant rats and their newborns. Pestic Biochem Physiol. 2016 Nov;134:49-54. doi: 10.1016/j.pestbp.2016.04.007. Epub 2016 Apr 19. PubMed PMID: 27914539.