CLP Semi-Volatile Internal Standard Back Catalog number: 10019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8645.12-50-T 1,3,8,9-Tetrachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 681258 Creatinine, 1000mg Price on request 677921 Prometon, 100 µg/ml, Acetonitrile, 1ml Price on request