Formaldehyde-DNPH Level 2 (0.5ug/mL)

Sodium perfluoro-1-propanesulfonate, 1.2ml x 50ug/ml, methanol

17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5

1,2,5,6,9,10-Hexabromocyclododecane, 100µg/ml in MeOH, 5ml