7-Hydroxy Mitragynine, 0,25mg

2,2',3,3',5,5'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Methanol QC Reference Mixture II 10 Analytes, each 200 ppm in 99.9 % methanol; units: 1x10mL, 5x10mL Chiron No. Name Chiron No. Name 1381.2Methyl formate 1370.5 3-Pentanone 1377.4 2-Butanol

Aromatics Quantitative Calibration Mix #2