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

MedKoo CAT#: 573728

CAS#: 3972-20-1

Description: Alpha-dl-trans-Allethrin is a member of the allethrin group of synthetic compounds used in insecticides.

Chemical Structure

CAS# 3972-20-1

Theoretical Analysis

MedKoo Cat#: 573728
Name: alpha-dl-trans-Allethrin
CAS#: 3972-20-1
Chemical Formula: C19H26O3
Exact Mass: 302.1882
Molecular Weight: 302.41
Elemental Analysis: C, 75.46; H, 8.67; O, 15.87

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales or click below button.
Note: Price will be listed if it is available in the future.

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Synonym: Allethrin, DL-trans-; alpha-dl-trans-Allethrin

IUPAC/Chemical Name: Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, (1R)-2-methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl ester, (1R,3R)-rel-


InChi Code: 1S/C19H26O3/c1-7-8-13-12(4)16(10-15(13)20)22-18(21)17-14(9-11(2)3)19(17,5)6/h7,9,14,16-17H,1,8,10H2,2-6H3

SMILES Code: O=C1C[C@@H](OC(=O)[C@@H]2C(C)(C)[C@@H]2\C=C(\C)C)C(=C1CC=C)C

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 302.41 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: Na HG, Kim YD, Choi YS, Bae CH, Song SY. Allethrin and prallethrin stimulates MUC5AC expression through oxidative stress in human airway epithelial cells. Biochem Biophys Res Commun. 2018 Sep 3;503(1):316-322. doi: 10.1016/j.bbrc.2018.06.022. Epub 2018 Jun 12. PubMed PMID: 29885834.

2: Chedik L, Bruyere A, Le Vee M, Stieger B, Denizot C, Parmentier Y, Potin S, Fardel O. Inhibition of Human Drug Transporter Activities by the Pyrethroid Pesticides Allethrin and Tetramethrin. PLoS One. 2017 Jan 18;12(1):e0169480. doi: 10.1371/journal.pone.0169480. eCollection 2017. PubMed PMID: 28099443; PubMed Central PMCID: PMC5242521.

3: Madhubabu G, Yenugu S. Allethrin induces oxidative stress, apoptosis and calcium release in rat testicular carcinoma cells (LC540). Toxicol In Vitro. 2014 Dec;28(8):1386-95. doi: 10.1016/j.tiv.2014.07.008. Epub 2014 Jul 27. PubMed PMID: 25072698.