Purified asfalthenes from North Sea Oil,neat,neat,100mg,

2,4'-DDT, 100 µg/ml, Acetonitrile, 5ml

Thifensulfuron-methyl, 1000µg/ml in Acetone, 1ml

4-Nonylphenol, mixture of nonyl isomers, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 84852-15-3