Isosulfan blue

DB09136ApprovedInvestigationalSmall moleculeDiagnostic Dye

Isosulfan blue is a visual lymphatic imaging agent used during lymphography as an adjunct. A medication used during diagnostic tests to detect any abnormalities or injuries in lymph vessels.

Mechanism: Isosulfan Blue is injected into the periphery of the tumor site, it localizes to the lymphatic system and aids in the surgical identification of tumor sentinel nodes which stain blue.
Curator reviewed
Primary indication: Isosulfan Blue is a synthetic visual lymphatic imaging agent.Curator reviewed · 6 structured indications
Formula / weight: C₂₇H₃₃N₂O₆S₂ · 545.69 g/mol (avg)
First approval: Canada, 2002 · United States, 2011
Also known as: Isosulfan blue inner salt
Brand names: Lymphazurin

Resolves to

Compound

UNIINS6Q291771CAS748080-29-7ChEMBLCHEMBL1615783PubChem50108

Clinical / RWD

RxNorm1546453

Structure

InChIKeyYFKDCGWIINMRQY-UHFFFAOYSA-OSMILESCCN(CC)C1=CC=C(C=C1)C(=C1C=CC(C=C1)=[N+](CC)CC)C1=CC(=CC=C1S(O)(=O)=O)S(O)(=O)=O

What you can answer from here — as of September 19, 2026

733Drug interactionsStructured to mechanism, not free text

16Clinical trialsPhase, status and sponsor resolved per trial

6Structured indicationsCondition, population, route and combination as fields, not prose

13Marketed productsAcross 2 countries and 10 labellers

13+ReferencesStructured and connected to the statements they support

Which other approved drugs treat the same conditions as Isosulfan blue, and which companies have late-stage candidates in those indications?

Answer this in Biopharma OS Sign in to your account

Create a free account or log in to explore the full data card.

Create Account