Propionic acid, 1ml Back Catalog number: 680167 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2005.12-100-IO 2,2',3,4,4',5,5'-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-29-3 Price on request MGHCH g-1,2,3,4,5,6-Hexachloro(13C6)cyclohexane, 1.2mL x 100ug/mL, nonane Price on request 92894 WS Disinfection By-Products - Cal Check 1 Price on request