Metamizole impurity A, 15mg

1,2,3,4,5,6-Hexachloronaphthalene, 1.2mL x 50ug/mL, nonane

alpha alpha alpha (20R,24S)-24-Methylcholestane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 511-20-6

Sodium bis-[2-(N-ethylperfluorooctane-1-sulfonamido)ethyl] phosphate, 1.2ml x 50ug/ml, methanol