Ergosterol, >95%, 5g Back Catalog number: E0018 Availability: In the manufacturer's stock Price on request - + Recommended 679802 Roxithromycin, 100 µg/ml, Methanol, 1ml Price on request 1349.20-100-TX5 Benzo[k]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 93952-01-3 Price on request 9536.12-50-IO 2,2',3,3',4,4',5,5',6-Nonabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request