Volatile Standard Back Catalog number: 93673 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682923 1-(4-Chlorophenyl)urea, 100 µg/ml, Acetonitrile, Price on request 93088 Semi-Volatile Standard Price on request 71973 2,2-Bis(4-chlorophenyl)ethanol Price on request