4,4-ddd - Dichlorodiphenyldichloroethane Solid, White Crystalline Powder | Analytical Standard, Technical Grade, Persistent Organic Pollutant

4,4A - Bipyridyl - Molecular Formula: C10H8N2

4, 4A -Dbp - Cas No: 84-74-2

4,4a -DDA

4,4'-DDD Solution - 5000 g/mL in Methanol | Certified Reference Material with Cofa Certificate, Research Grade, Clear to Pale Yellow Liquid, 99.5% Purity, Ideal for HPLC and Gas Chromatography Applications

4,4a -DDE

4,4-DDE Solution - 200g/mL In Isooctane, Analytical Standard, ≥98% Purity, Colorless To Light Yellow Liquid

2,4-DDD Analytical Standard - 98% Purity, White Crystalline Powder, HPLC and GC Suitable, Organophosphate Insecticide Properties

2,4-DDE Solution - 100 g/mL in Methanol | Analytical Grade, Clear Liquid, Pestanal Product, Poisonous, High Purity (>99%), Stable Under Standard Temperature and Pressure

2,4-Dichlorodiphenyltrichloroethane (DDT) - 100 mg Analytical Standard Ampule | High Purity >97%, Suitable for HPLC & GC, Crystalline Powder, Odorless, Persistent Organochlorine Compound, Store in Cool Dry Place