3-Methylcatechol

8 alpha,9ß,10 alpha(H),14ß(H),17 alpha(H),21ß(H)-5,9-Dimethyl-25,27-bisnorhopane , neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.

Metazachlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml

2,2',3,3',4,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,