Calibration Standard Mix 5 Back Catalog number: 53037 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3145.18-K-CF 12-Hydroxystearic acid,1000 µg/mL,chloroform,1mL, Price on request 73256 Raloxifene Price on request 35341 Aldicarb sulfoxide Price on request