Metals Mix #4 Back Catalog number: 50045 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95014 8260 Surrogate/Internal Standard Price on request BPB 2,2-Bis(4-hydroxyphenyl)butane, 1.2ml x 50ug/ml, methanol Price on request 72500 2-Bromo-4’-chloroacetophenone Price on request