WS Disinfection By-Products - Cal Check 3 Back Catalog number: 93985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2297.4-1G Methylmalonic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 516-05-2 Price on request 3227.20-K-IO Arachidonic acid (5,8,11,14 all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-32-1 Price on request 59795 Mixed Oxyhalides Price on request