4,4'-DDD, 250mg Back Catalog number: 677528 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3896.7-100-ME Benzothiazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 95-16-9 Price on request LA11457544CY Chloroparaffin C13 55.03% Cl, 10μg/mL in CY, 1ml Price on request 71713 Citric acid Price on request