Internal Standard Back Catalog number: 95592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9563.8-50UG 6:2MonoPAPS, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no. 150065-76-2 Price on request 15900-1939-10CY10 Endosulfan (techn.), 10µg/ml in Cyclohexane, 10ml Price on request 8473.13-10MG 2-(4-Hydroxyphenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-19, Cas.no. 6504-13-8 Price on request