WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9338.10-100-IO Menthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 89-78-1 Price on request 673003 Dexamethasone, 100mg Price on request 2288.12-1G 1,8-Naphthalic anhydride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 81-84-5 Price on request