Methylene Blue
CAS 7220-79-3Small Molecule
Overview
Methylene Blue is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL550495).
Patent & exclusivity (US)
Per the FDA Orange Book (12 approved US products), the latest listed US patent on Methylene Blue expires — and exclusivity 8 Jan 2027. Generic API sourcing typically opens up once these lapse.
Chemical identity
- IUPAC name
- [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate
- Canonical SMILES
- CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]
- InChIKey
- XQAXGZLFSSPBMK-UHFFFAOYSA-M
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