Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Back Catalog number: 71280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1238-S 1,2,3,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 680339 Crimidine, 10.0 µg/ml, Acetonitrile, 10ml Price on request P-102S-10X Alachlor, 1.0mg/mL in MeOH, 1ml Price on request