Internal Standard ICP-MS (200.8) Back Catalog number: 59143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1287.30-10MG Ursolic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 77-52-1 Price on request 0913.29-100-IO alphaßß (20S,24RS)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 672817 Benzylbenzoate, 1000mg Price on request