Calibration Standard 1 Back Catalog number: 52021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73165 Hexadecanoic acid Price on request 11921.9-100-ME (-)-Captopril,100 µg/mL,MeOH,1mL, Price on request 79148 4,4’-DDD Price on request