Chlorotoluron, 100µg/ml in Acetonitrile, 1ml Back Catalog number: S-11455A1-1ML Availability: In the manufacturer's stock Price on request - + Recommended 679660 2,3,4,6-Tetrachlorophenol, 10.0 µg/ml, Cyclohexan Price on request 19031 EPA Method 507 - Internal Standard Price on request 679161 2-Nitrobenzaldehyde semicarbazone, 25mg Price on request