Methyl valerate, 1ml

AMPA 13C 15N, 100µg/mL in Water, 1ml

Tramadol-13C,d3 HCl, 100µg/ml in MeOH, 1ml

Custom mix AZO standards, each component 0.10mg/ml in methanol: 2783.12 4-Aminodipenyl 1773.12 Benzidine 2763.7 4-Chloro-o-toluidine 1780.0 2-Naphthylamine 2765.6 4-Chloroaniline 2784.7 2,4-Diaminoanisole 2762.13 4,4’-Methylenedianiline 2