Laboratory Fortification Standard Back Catalog number: 59172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10915.22-K-AN Diltiazem-d3 hydrochloride (acetoxy-d3),1000 µg base/mL,acetonitrile,1mL Price on request 8707.12-5MG 2,2',3,4',5,5',6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-68-0 Price on request 674893 Enrofloxacin, 100mg Price on request