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 71524 1,2,3,5-Tetramethylbenzene Price on request 71585 m-Cresol-PFB derivative Price on request 8203.16-5MG 2-Hydroxypyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 78751-58-3 Price on request