Markers

Ecgonine
Catalog No: CFN00189

Ecgonine is a promising marker of cocaine ingestion.
Methylecgonine
Catalog No: CFN00190

Methylecgonine is a kind of anaesthetic.It in urine as an indicator of cocaine use.
5-O-Methylnaringenin
Catalog No: CFN97060

5-O-Methylnaringenin is a marker, reduced MS detection of 5-O-methylnaringenin indicated that nifedipine may preferably remove a proton from the 5-position OH group in the A ring of the flavonoid skeleton.
Hexacosyl (E)-ferulate
Catalog No: CFN97088

Hexacosyl (E)-ferulate displays significant antioxidant activity in the DPPH assay (RC50 = 0.0976 mg/mL). It also might be a chemotaxonomic marker in the genus Echinops.
Heliotrine N-oxide
Catalog No: CFN00271

Heliotrine N-oxide was used as an internal standard.