International USP 467 Back Catalog number: 82455 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11376.11-K-IO 2-Naphthaldehyde,1000 µg/mL,isooctane,1mL, Price on request 19149 2,3,7,8-Tetrachlorodibenzo-p-dioxin Price on request 677920 Profluralin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request