Color Back Catalog number: 50820 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1496.23-K-IO 2-Methyldocosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1560-81-2 Price on request 674981 Cyhalofop-butyl, 50mg Price on request 680997 Norflurazon-desmethyl, 100 µg/ml, Ethyl acetate, Price on request