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Indigo carmine

In the US, Indigo carmine (indigo carmine systemic) is a member of the drug class miscellaneous diagnostic dyes.

US matches:


Ph. Eur.

ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Diagnostic agent, kidney function

Chemical Name

3,3'-Dioxo-2,2'-bisindolylidene-5,5'-disulfonate disodium (Ph. Eur.)

Foreign Name

  • Indigocarmin (German)

Generic Names

Brand Name


ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Ph. Eur.European Pharmacopoeia
USANUnited States Adopted Name

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.