Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended 0643.28-100-IO alphaßß (20R,24S)-24-Methylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 71117-90-3 Price on request 3323.23-10MG Bifenthrin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 82657-04-3 Price on request 95502 BTEX & Naphthalene & Tetrachloroethene Price on request