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CODEN(Code Number)是由美国化学文摘社(CAS)为科技期刊等连续出版物分配的统一刊名缩写代码,为国际公认并具唯一性,广泛用于文献数据库和检索系统。CODEN由6位英文字母及数字码组成,其中前4位为基本码(通常为刊名缩写),第5位为查重码,第6位为校验码。隶属CAS的International CODEN Service是
CODEN (Code Number) is a uniform abbreviation code assigned by the CAS for scientific journals and other serial publications. It is internationally recognized and unique and is widely used in document databases and retrieval systems. CODEN consists of six English alphabets and numeric codes, of which the first four are the basic code (usually the abbreviation), the fifth is the check code, the sixth is the check code. The International CODEN Service under the CAS is