Bis(4-hydroxyphenyl)methane Back Catalog number: 71994 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA15890000AL Parathion-methyl, 100µg/mL in Acetonitrile, 1ml Price on request 59887 Calcium (Ca) Price on request 677875 Quintiofos, 100 µg/ml, Ethyl acetate, 1ml Price on request