4,4'-Dihydroxydiphenylmethane, 1.2ml x 50ug/ml, methanol Back Catalog number: BPF Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 52047 Calibration Standard Mix 5 Price on request 93323 DOW 624 Volatile Internal/Surrogate Standard Price on request 33052 1,2-Dibromoethane Price on request