Isocaffeine (1,3,9-Trimethylxanthine),neat,neat,100mg,

2,6-Dimethylphenol, 100 µg/ml, Acetonitrile, 1ml

Internal Standard for GC-analysis of PAH compounds 4 Analytes, each 500 µg/mL in dichloromethane; units:1x5mL 0393.12 1-Phenylhexane [1077-16-3] 0728.12 2,3-Dimethylnaphthalene [581-40-8] 0768.16 3,6-D

4-Chlorophenol, 100 µg/ml, Methanol, 5ml