17 alpha(H),21ß(H)-30-Norhopane, 50µg/mL in Isooctane, 1ml Back Catalog number: 1321.29-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended P48-W-ES WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Price on request 676965 D5-Ochratoxin A, 10.0 µg/ml, Acetonitrile, 1ml Price on request 1985.18-1G Triphenyltin chloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 639-58-7 Price on request