Metals Calibration Standard Back Catalog number: 50096 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2288.12-1G 1,8-Naphthalic anhydride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 81-84-5 Price on request 32951 1,4-Difluorobenzene Price on request 3604.12-100-IO 2,2',3,3',4,4',5,6,6'-Nonachlorobiphenyl, 100 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52663-79-3 Price on request