Sulfide (S) Back Catalog number: 50195 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2000.12-25MG 2,2',5,5'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 35693-99-3 Price on request 96927 Aldehyde & Ketone Standard Price on request 93853 Appendix I Volatile Mix Price on request