USP Organic Volatile Impurities Standard

(S)-1-[(10-Chloro-4-oxo-3-phenyl-4H-benzo[a]quiniliizin-1-yl]carbonyl-2-pyrrolidineMeOH, Comet assay grade,1.5mM,DMSO,1mL certan,

Sulfur

2,4-D methyl ester