Silicon (Si) Back Catalog number: 57914 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8230.13-50-IO 9-Chloro-9H-fluorene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 6630-65-5 Price on request 90601 Dicofol Price on request 11625.20-10MG Tamsulosin hydrochloride,neat,neat,10mg, Price on request