UV 254 Absorbance Back Catalog number: 59366 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9431.21-100-AN cis-Permethrin Price on request 684348 1-Bromo-2-chloroethane, 100 µg/ml, Methanol, 1ml Price on request 673533 4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Price on request