Methylene blue: small molecule (phenothiazinium dye).
Purity and quantity by the chromatographic method matched to the compound (HPLC-UV, LC-MS or GC-MS), with identity against a reference standard. $250 per sample; raw powder purity $200. Results in 3 to 5 business days.
Methylene blue: 2D structure drawn from the PubChem record. Stereochemistry shown as registered.
61-73-4 (anhydrous)
C16H18ClN3S (trihydrate C16H18ClN3S·3H2O)
319.9 g/mol (anhydrous); 373.9 (trihydrate)
small molecule (phenothiazinium dye)
IUPAC name or sequence: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride
Other names: Methylthioninium chloride, basic blue 9; trihydrate CAS 7220-79-3
Anhydrous and trihydrate differ by 54 g/mol; state which form the label claim refers to.
Chromatographic purity and mg per unit by the method matched to the compound, identity against a reference standard. 1 unit.
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