8082LCS / Matrix Spike Back Catalog number: 92214 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683377 Fenbendazole, 100 µg/ml, Acetonitrile, 5ml Price on request 11302.15-100MG Phenytoin,neat,neat,100mg, Price on request 2454.8-K-IP 2,4-Dinitro-6-methylanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 29027-13-2 Price on request