Formaldehyde-DNPH Level 3 (1.0ug/mL)

4-Methoxybenzoic acid methyl ester, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 121-98-2

Methoprene, 10 µg/ml, Acetonitrile, 10ml

2,3-Dichlorobiphenylene, 1.2ml x 1x10-4M, dimethylsulfoxide