Turbidity Standard (400 NTU) Back Catalog number: 54122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8214.12-K-AN Isovaleraldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 10160.12-50MG Carisoprodol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 78-44-4 Price on request 674950 D6-Isoproturon, 10mg Price on request