17-alpha-Methyltestosterone, 100mg Back Catalog number: 678647 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended NIST-1649B Urban dust - Organic contaminants, 2g Price on request 685752 Penthiopyrad, 100µg/ml in Acetonitrile, 1ml Price on request 1719.15-500-IO 4-Methylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 832-64-4 Price on request