Catalog No. Size PriceQuantity
M13305-2 2mg solid $80
M13305-10 10mg solid $240


Malathion is an organophosphate parasympathomimetic which binds irreversibly to cholinesterase, is an insecticide of relatively low human toxicity.

Product information

CAS Number: 121-75-5

Molecular Weight: 330.36

Formula: C10H19O6PS2

Chemical Name: 1,4-diethyl 2-{[dimethoxy(sulfanylidene)-λ⁵-phosphanyl]sulfanyl}butanedioate

Smiles: CCOC(=O)C(CC(=O)OCC)SP(=S)(OC)OC


InChi: InChI=1S/C10H19O6PS2/c1-5-15-9(11)7-8(10(12)16-6-2)19-17(18,13-3)14-4/h8H,5-7H2,1-4H3

Technical Data

Appearance: Solid Power

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

Solubility: DMSO : 100 mg/mL (302.70 mM; Need ultrasonic).

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200


  1. Bastos PL, Bastos AFTL, Gurgel ADM, Gurgel IGD. Carcinogenicity and mutagenicity of malathion and its two analogues: a systematic review. Cien Saude Colet. 2020 Aug 5;25(8):3273-3298.

Products are for research use only. Not for human use.

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