17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml Back Catalog number: 1339.31-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 72729 4-Isobutylbenzoic acid Price on request EC-4060 13C LABELED PCB MIXTURE PCBS-77/101/141/178 10UG/ML IN NONANE Price on request 98235 Benzene [100 ppm] Price on request