2 แหล่งข้อมูลที่สำคัญ ข้อมูลเบื้องต้น Google Wikipedia Merck Index NIST webbookห้องสมุดหนังสืออ้างอิงหนังสือวิชาการทั่วไปฐานข้อมูลข้อมูลเชิงลึกฐานข้อมูลทางเคมีChemical AbstractScifinderScience Directห้องสมุดหนังสือวิชาการเฉพาะทางวารสารวิชาการ (Scientific Journal)บทความทางวิชาการ (Scientific articles/papers)เว็บไซต์เฉพาะทาง
5 Merck IndexThe Merck Index is an encyclopedia of chemicals, drugs and biologicals with over 10,000 monographs on single substances or groups of related compounds.It includes an appendix with monographs on organic name reactions. It is published by the United States pharmaceutical company Merck & Co.The Merck Index is available by subscription in an electronic searchable form, commonly carried by research libraries, as well as in a web-accessible form.
6 a CAS registry numbersynonyms of the substance, such as trivial names & International Union of Pure and Applied Chemistrynomenclature,Trademarks and associated companiesMolecular formulae, weights and percentage compositionChemical structuresa description of the substance's appearanceCapsule statements identifying compound classes and scientific significancemelting point and boiling pointsolubility in solvents commonly used in the laboratorycitations to other literature regarding the compound's chemical synthesisScientific and patent literature referencesPhysical and toxicity dataTherapeutic and commercial usesCaution and hazard information
20 Chemical Abstracts (CAS) CAS monitors, indexes, and abstracts the world's chemistry-related literature and patents, updates this information daily, and makes it accessible through state-of-the-art information services.CAS databases offer many scientific disciplines, including biomedical sciences, chemistry, engineering, materials science, agricultural science, and moreCAS databases provide millions of journal article references from more than 10,000 major scientific journals worldwide and patent and patent family references from 50 active patent-issuing authorities around the world.
50 scientific publications Scientific literature can include the following kinds of publications:Scientific articles published in scientific journalsPatents specialized for science and technology (for example, biological patents and chemical patents)books wholly written by one or a small number of co-authorsbook chapters, where each chapter is the responsibility of a different author or set of authors, though the editor may take some responsibility for ensuring consistency of style and contentpresentations at academic conferences, especially those organized by learned societiesgovernment reportsscientific publications on the World Wide Webbooks, technical reports, pamphlets, and working papers issued by individual researchers or research organisations on their own initiative; these are sometimes organised into a series