COD Calibration Standard Back Catalog number: 50434 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679203 D18-Octane, 1ml Price on request 0977.27-10-IO d2 C27 alpha alpha alpha (20R)-Cholestane, 10µg/mL in Isooctane, 1ml Price on request 96559 Doxepin Price on request