Interference Standards Set Back Catalog number: 53038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12100.2-250MG Ethephon,neat,neat,250mg, Price on request 1055.8-100MG 2,6-Dimethylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 118-72-9 Price on request 677076 Clofentezine, 100 µg/ml, Methanol, 5ml Price on request