Custom Calibration Standard Back Catalog number: 50254 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13800-0049-1000IO 1,2-Cyclohexanedicarboxylicaciddiisononylester, 1000µg/ml in IO, 5ml Price on request 82508 EPA Method 8250/8250A Cal Check Cmpds Acids Price on request 30741R 3-Hydroxycarbofuran Price on request