WS Disinfection By-Products - Cal Check 3 Back Catalog number: 93985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3489.11-100-AN Profenofos Price on request 1259.9-K-CY 1,1,3-Trimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 3073-66-3 Price on request 52142 EPA 1620 Standard 4 Price on request