Methylene Blue Anhydrous
CAS 61-73-4Small Molecule
Overview
Methylene Blue Anhydrous is a small molecule active pharmaceutical ingredient (ChEMBL CHEMBL405110).
Patent & exclusivity (US)
Per the FDA Orange Book (12 approved US products), the latest listed US patent on Methylene Blue Anhydrous 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
- Canonical SMILES
- CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
- InChIKey
- CXKWCBBOMKCUKX-UHFFFAOYSA-M
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