• Substance Registration System
  • UNII Lists
  • UNIIs additions and deletions
  • UNII Names
  • FDA UNII Records


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  • FDA Database
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  • SRS
  • UNII
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FDA Drug Unique Ingredient Identifier Data Package

$537 $374 / YEAR

This data package contains the details of substances in drugs, biologics, foods and devices registered with a Unique Ingredient Identifier (UNII) through the joint FDA/USP Substance Registration System (SRS). It also contains a list of the names used for each UNII and the changes made to Unique Ingredient Identifiers’ (UNIIs) descriptions to the latest update.

The overall purpose of the joint FDA/USP Substance Registration System (SRS) is to support health information technology initiatives by generating unique ingredient identifiers (UNIIs) for substances in drugs, biologics, foods, and devices.
1. Unique Ingredient Identifier Changes ($179)
2. Unique Ingredient Identifier Names ($179)
3. Unique Ingredient Identifier Records ($179)