Acetone, 1000µg/ml in MeOH:Water (9:1), 1ml Back Catalog number: 79004 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 94240 Volatile Standard Price on request 1287.30-10MG Ursolic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 77-52-1 Price on request 1222.16-1G Di-n-octylsulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2690-08-6 Price on request