Color Back Catalog number: 54355 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53013 Calibration Standard Mix 4 Price on request 11188.26-5MG (±)-Ketoconazole-d4 (3,3,5,5-piperazine-d4) (cis-isomers),neat,neat,5mg Price on request A10042300AL-100 Acontine, 100µg/ml in Acetonitrile, 1ml Price on request