Medical Marijuana Heavy Metals Calibration Back Catalog number: 50712 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2636.28-5UG 17ß(H),21 alpha(H)-28,30-Bisnorhopane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 83377-28-0 Price on request 673732 Aminocarb, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 34731 2-Methylpropane, 10mg/mL in N,N-dimethylacetamide, 2ml Price on request