2,2-Bis(4-hydroxyphenyl)butane, 1.2ml x 50ug/ml, methanol Back Catalog number: BPB Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 52054 Mixed Calibration Standard 2 Price on request 674859 Ethylene thiourea, 250mg Price on request 84521 MCPA Price on request