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

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

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

2,4a -DDT solution

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

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

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

4,4-DDE - Analytical Standard, White to Off-White Crystalline Powder | Purity >98%, Melting Point 89-90°C, Environmental Pollutant

2,2A - Difluorobiphenyl - Molecular Formula: C12H8F2

4,4-DDA - C14H10Cl2O2, 281.13 g/mol, Off-White Crystalline Powder | Analytical Standard, Insoluble in Water, Poisonous