TOC Calibration Standard (C) Back Catalog number: 59837 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676709 (-)-Cotinine, 25mg Price on request 15218.21-K-AN 9(R)-Hexahydrocannabinol, 1000µg/ml in Acetonitrile, 1ml Price on request 680511 TFNG, 25mg Price on request