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Guide to the abbreviations used in ChemIDplus

ChemIDplus uses abbreviations after a substance name. The table below shows the meaning of those abbreviations.

Visit the ChemIDplus Locators page for information about the links to databases used to identify the chemical substances cited in NLM databases.

Abbreviations Used in ChemIDplus
Locator Name Description
ANSI American National Standards Institute
BAN A British Approved Name (BAN) is the official non-proprietary or generic name given to a pharmaceutical substance by the British Pharmacopoeia Commission.
BSI British Standards Institution
DCF Dénomination Commune Française In French
INN International Nonproprietary Names (INN) facilitate the identification of pharmaceutical substances or active pharmaceutical ingredients. Each INN is a unique name that is globally recognized and is public property. The INN program is under the auspices of the World Health Organization (WHO).
ISO The International Organization for Standardization (ISO) is a network of the national standards institutes of 160 countries, one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system.
JAN Japanese Approved Name
NF United States Pharmacopeia - National Formulary (USP–NF) is a book of public pharmacopeial standards. It contains standards for medicines, dosage forms, drug substances, excipients, medical devices, and dietary supplements
UNII Unique Ingredient Identifier - a non- proprietary, free, unique, unambiguous, non semantic, alphanumeric identifier based on a substance’s molecular structure and/or descriptive information.
USAN United States Adopted Names - unique nonproprietary names assigned to pharmaceuticals marketed in the United States
USP United States Pharmacopeial Convention is a non–governmental, official public standards–setting authority for prescription and over–the–counter medicines and other healthcare products manufactured or sold in the United States.