Bis(4-hydroxyphenyl)methane Back Catalog number: 71994 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8570.17-10MG Ciprofloxacin, neat, Solvent-neat, Unit 10mg, # of units-, Cas.no. 85721-33-1 Price on request 92175 Volatile Standard Price on request 72613 Demeton-S-methyl, 1000µg/ml in MeOH, 1ml Price on request