WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673872 Teflubenzuron, 10 µg/ml, Cyclohexane, 10ml Price on request 71423 Dimethylamine Price on request ACQ-SE02-115 Ethanol standard in serum,0.2g/L,serum, 1.5mL Price on request