Potassium (K) Back Catalog number: 59939 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9698.29-10MG 5 alpha(H)-Cholestan-3ß-ol acetate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 1818.10-1G 4-Cyclohexylbutyric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4441-63-8 Price on request 50048 Metals Mix #2 Price on request