beta-BHC, 1000µg/ml in Acetone, 1ml Back Catalog number: 79175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33265 Trichloroacetic acid Price on request EPA-23ISS Internal Standard Stock Solution, 1.2ml, nonane Price on request D454655-1MG 3,4-Dihydroxyphenylglycolaldehyde (Dopegal), 1mg Price on request