QC-7A - ICP Optical Back Catalog number: 50281 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1828.10-1G 4-Phenylbutyric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1821-12-1 Price on request 2622.33-50-IO 17 alpha(H),21ß(H)-(22RS)-Trishomohopane , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54340-13-5 Price on request 8701.12-100-IO 2,2',6,6'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 15968-05-5 Price on request