17ß(H),21ß(H)-30-Norhopane, 5µg Back Catalog number: 2640.29-5UG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 0630.21-K-IO 2,6,10,14-Tetramethylheptadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18344-37-1 Price on request 673618 delta-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request 1422.10-1G 4-sec-Butylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 99-71-8 Price on request