WS Turbidity Back Catalog number: 55021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675956 1-(3,4-Dichlorophenyl)-3-methylurea, 10.0 µg/ml, Price on request 9022.4-100-AN 1,4-Dinitrosopiperazine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 69340-07-4 Price on request 79021 Endrin, 1000µg/ml in Hexane, 1ml Price on request