Hydrocodone Back Catalog number: 73216 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPFOS Sodium perfluoro-1-[1,2,3,4-13C4]octanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 72165 Folic acid Price on request 678664 S-Metolachlor Metabolite CGA 37735, 100 µg/ml, Ac Price on request