The chemical-pharmaceutical analysis may be defined as a procedure or the sequences of progressions to identify or quantify a constituent or drug, the mechanisms of a pharmaceutical solution or fusion or the determination of the structures of chemical combinations used in the formulation of a pharmaceutical product. The top open access journals are peer-reviewed scholarly journals of pharmaceutical analytical Acta. the top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of the scientific community. These journals are indexed with all their citations noted. The top open access journals are indexed in Medline, PubMed, Scopus, Copernicus, cas, Ebsco and isi.