4-Aminoazobenzene Back Catalog number: 94741 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70230 2-Nitrophenol Price on request 2189.4-50-ME Perfluorobutyric acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2218-54-4 Price on request 684690 D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml Price on request