Minoxidil
Also called Minossidile, Tricoxidil, Minoximen and Regaine.
A blood-pressure medicine whose side effect became its main business: the hair regrowth liquid sold as Rogaine.
Sources and notes
- The introductionfrom sourceMoleculeFinder curated
- Other namesfrom sourceWikidataIts English label and aliases on Wikidata.
- Formula and weightcomputedPubChem
- 2D drawingcomputedPubChem structure, drawn by RDKit
- 3D modelfrom sourcePubChem 3D conformerLoaded after the page has painted, and on a phone only when you ask for it; the 2D drawing shows until it arrives.
Where you encounter it
Sold over the counter, without a prescription. Minoxidil on the product labels we hold.
Medicines
Every product and list we hold
Sources and notes
- The product labels and their strengthsfrom sourceDailyMed (FDA label)Each label lists the molecule as an ingredient, and an active ingredient at the strength shown.
- How it gets therefrom sourceMoleculeFinder curatedEach mark is set by hand on our lists, never inferred; a label's ingredient is added by the maker. A row with no mark data says Not marked.
- The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.
Explore its structure
Choose a part to light it up.
Rings joined where they share atoms, or a single ring standing alone. Atoms in a ring are held in place, so this part keeps its shape while chains around it can bend.
From: standard chemistry.
Sources and notes
- The drawingcomputedPubChem structure, drawn by RDKitThe page's one shipped drawing, with the chosen part lit in amber under it.
- The partscomputedFound by ruleEach part is found by a chemical pattern, never picked by hand atom by atom; its words say where they come from.
Compare a related molecule
Finasteride
Minoxidil
Finasteride blocks the enzyme that makes DHT, the hormone behind male pattern hair loss, while minoxidil leaves hormones alone and widens scalp vessels.
Finasteride vs Minoxidil, side by sideSources and notes
- The sentencefrom sourceMoleculeFinder comparison notesThe pair's answer line.
- The two drawingscomputedPubChem structures, drawn by RDKitThe two drawings side by side.
Properties and sources
Calculated by PubChem
- Molecular formula
- C9H15N5O
- Molecular weight
- 209.25 g/mol
- XLogP3octanol/water, log units
- 1.2
- Polar surface areatopological
- 88.9 Ų
- H-bond donors
- 3
- H-bond acceptors
- 3
- Rotatable bonds
- 1
- Complexity
- 329
Reported Licence
The US Food and Drug Administration licenses Minoxidil for human use (NDA 019501, authorized August 17, 1988), as Rogaine. Drugs@FDA
Groups it belongs to
- Category
- OTC medicine
- Chemical groups
- Amines
- Elements
- Nitrogen
C1CCN(CC1)C2=NC(=N)N(C(=C2)N)OPubChem CID 4201 · Wikidata Q424165 · InChIKey ZIMGGGWCDYVHOY-UHFFFAOYSA-N · Data refreshed
Questions
- What is Minoxidil?
- A blood-pressure medicine whose side effect became its main business: the hair regrowth liquid sold as Rogaine.
- What kind of molecule is Minoxidil?
- Minoxidil has the formula C9H15N5O and a molecular weight of 209.25 g/mol. MoleculeFinder files it in the OTC medicine group. from sourcefrom sourcefrom source
- What else is Minoxidil called?
- Minoxidil is also called Minossidile, Tricoxidil, Minoximen and Regaine. from source
- Who licenses Minoxidil as a medicine?
- The US Food and Drug Administration licenses Minoxidil for human use (NDA 019501, authorized August 17, 1988), as Rogaine. from source
Sources and notes
- Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
- Licencefrom sourceDrugs@FDARead 2026-10-21.
- Data refreshedfrom sourceMoleculeFinder2026-11-09
Keep exploring
Sources and notes
- Compared side by sidefrom sourceMoleculeFinder comparison notesA molecule we compare it with on its own page.
- The drawingscomputedPubChem structures, drawn by RDKit