2,2’,3,4,4’,5’-Hexachlorobiphenyl (138) Back Catalog number: 66138 Manufacturer: ABSOLUTE STANDARDS 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 675146 Tolfenpyrad, 10.0 µg/ml, Acetonitrile, 10ml Price on request 59639 Metals Mix #1 (Parent for 59637) Price on request