Lanthanoids Mix Back Catalog number: 50786 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685064 epsilon-HCH, 10.0 µg/ml, Acetonitrile, 1ml Price on request 95227 EPA Method 525 Internals & Surrogates Price on request 9406.18-10MG Clozapine-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 204395-52-8 Price on request