Biphenyl Back Catalog number: 90495 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681026 epsilon-Caprolactam, 100mg Price on request 8872.6-K-IO 2-Acetylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 679881 4,4'-Diaminodiphenylmethane, 100 µg/ml, Acetonitr Price on request