Bis(4-hydroxyphenyl)methane Back Catalog number: 71994 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 81202 EPA Method 8121 Analytes Price on request 678246 tert-Butyl methyl ether, 100 µg/ml, Methanol, 1m Price on request XA14050100WA Glyphosate 1,2-13C2 15N, 100 ng/µl, 1.1ml Price on request