Ampicillin, 1g Back Catalog number: A634300 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 94782 EPA Method 1625 Semi-Volatile Standard Price on request 0344.18-K-IO 4-n-Hexylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59662-31-6 Price on request X9086 3,3’-Dimethylbenzidine Price on request