beta-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680443 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3054.28-100-IO alpha alpha alpha (20R,24R)-24-Methylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3 Price on request X9131 Iodomethane Price on request 685064 epsilon-HCH, 10.0 µg/ml, Acetonitrile, 1ml Price on request