Total Acid Number Standard 0.5 Back Catalog number: S-4340-0.5 Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 9424.8-K-ME Valproic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 99-66-1 Price on request 685735 Fensulfothion-sulfone, 100µg/ml in Acetonitrile, 1ml Price on request 8360.12 3,3'-Difluoro-4,4'-dichlorobiphenyl, , Solvent-, Unit , # of units-, Cas.no. Price on request