Methylphenols - Mix 13, 50μg/ml in Acetone, 10ml

Perfluoro-n-[1,2,3,4,5-13C5]nonanoic acid, 50µg/ml in MeOH, 1,2ml

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

Pholcodine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 509-67-1