WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1559.7-K-ME n-Heptane-d16, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 33838-52-7 Price on request 2344.12-50-IO 3'-Fluoro-3,4,4',5-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request PST-CBS-CAN Canada Cannabis Pesticide Kit (2020) 23 428,44 Kč