Homovanillic acid-d5, 1000µg/ml in MeOH, 1ml

Calibration Standard Mix 4

2,2',4,4',6-Pentachlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 39485-63-1

N,N-Dimethylguanidine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6145-42-2