Amprolium Hydrochloride is traditional coccidiostatic, and it's used in poultry feed to control coccidiosis. Amprolium Hydrochloride is very good against the hemorrhage-producing coccidia E. tenella and E. necatrix and it has some activity against E. maxima, amprolium hydrochloride is one of the most safety anti-coccidial drugs and be approved by FDA. Specifications: 97% -101% (USP 28) Product Information: CAS Number: 121-25-5 Synonym: Amprolium hydrochloride; Pyridinium, 1-[(4-Amino-2-propyl-5-pyrimidinyl)methyl]-2-methylpyridinium chloride monohydrochloride Molecular Formula: C14H19CIN4 HCl Molecular Weight: 315.24 Appearance: White or off-white powder Purity by HPLC: 97% - 101% Test Item: Identification, Loss on drying, Assay, Storage: Preserve in well-closed containers