Laboratory Fortification Standard Back Catalog number: 59172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9050.20-10MG Dihydroisopimaric acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5673-36-9 Price on request 682236 2,2'-Dihydroxy-4-methoxybenzophenone, 250mg Price on request 54290 COD from KHP Price on request