Color Back Catalog number: 54355 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676966 Atrazine-desethyl-2-hydroxy, 100 µg/ml, 2-Methoxy Price on request 0383.12-K-IOX5 Dibenzothiophene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 33262-29-2 Price on request 95240 1-Pentanol Price on request