QC-21 - ICP Optical Back Catalog number: 50282 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2700.8-10MG Isocaffeine (1,3,9-Trimethylxanthine), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 519-32-4 Price on request 73436 Bisphenol A-d16, 1000µg/ml in methyl chloride, 1ml Price on request 0389.14-10MG Phenanthrene-d10, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1517-22-2 Price on request