Instrument Standard 5 Back Catalog number: 53081 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1964.12-50-IO 2,3',4,4'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-61-5 Price on request C14074000 delta-HCH, certified, 50mg Price on request 12041.20-100MG Vitamin A,neat,neat,100mg, Price on request