Methylene blue

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.

Structure

2D structure of methylene-blue drawn in Vanguard Laboratory colors

Methylene blue: 2D structure drawn from the PubChem record. Stereochemistry shown as registered.

Compound data

61-73-4 (anhydrous)

C16H18ClN3S (trihydrate C16H18ClN3S·3H2O)

319.9 g/mol (anhydrous); 373.9 (trihydrate)

small molecule (phenothiazinium dye)

Structure and names

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.

Tests and prices

$250

Chromatographic purity and mg per unit by the method matched to the compound, identity against a reference standard. 1 unit.

$200

Chromatographic purity on bulk powder. 50 mg.

$100 per extra unit

Purity and quantity on more units from the same lot.

$150

Arsenic, cadmium, chromium, mercury, lead by ICP-MS. 1 extra unit.

Order

Start an order online, or send the compound name and the tests you need for a quote.