moleculefinder

Buprenorphine

C29H41NO4467.6 g/mol Calculated

Also called Buprenorfina.

A partial opioid used for opioid use disorder and for pain, sold as Suboxone in combination with naloxone.

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

Dispensed on prescription, not sold on a shelf. Buprenorphine on the product labels we hold.

Medicines

SuboxoneAdded by the makerActive ingredient

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.

An O-H fixed directly to a benzene ring. The ring makes that hydrogen easier to give up than an ordinary alcohol's, which is why many phenols act as antioxidants.

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.

Properties and sources

Calculated by PubChem

Molecular formula
C29H41NO4
Molecular weight
467.6 g/mol
XLogP3octanol/water, log units
5
Polar surface areatopological
62.2 Ų
H-bond donors
2
H-bond acceptors
5
Rotatable bonds
5
Complexity
869

Reported Hazard label (GHS), ECHA via PubChem

Danger Toxic pictogram (GHS06), Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H301, H302, H315, H319, H335, H361, H362

Reported Licence

The US Food and Drug Administration licenses Buprenorphine for human use (NDA 021306, authorized June 30, 2010), as Butrans. Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Family
Opioids
Chemical groups
Alcohols, Aromatics, Phenols, Ethers
Elements
Nitrogen
Hazard classes
Acutely toxic, Irritant, Health hazard, GHS Danger
SMILESC[C@]([C@H]1C[C@@]23CC[C@@]1([C@H]4[C@@]25CCN([C…95 characters

PubChem CID 644073 · Wikidata Q407721 · InChIKey RMRJXGBAOAMLHD-IHFGGWKQSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Buprenorphine?
A partial opioid used for opioid use disorder and for pain, sold as Suboxone in combination with naloxone.
How toxic is Buprenorphine?
Its GHS hazard label carries the signal word Danger and the hazard pictograms Toxic, Irritant and Health hazard. from source
What kind of molecule is Buprenorphine?
Buprenorphine has the formula C29H41NO4 and a molecular weight of 467.6 g/mol. MoleculeFinder files it under opioids, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
What else is Buprenorphine called?
Buprenorphine is also called Buprenorfina. from source
Who licenses Buprenorphine as a medicine?
The US Food and Drug Administration licenses Buprenorphine for human use (NDA 021306, authorized June 30, 2010), as Butrans. from source
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • Hazard labelfrom sourceECHA via PubChemThe label combines these classifications.
  • ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
  • Licencefrom sourceDrugs@FDARead 2026-10-21.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09

Keep exploring

Both carry a phenol, an alcohol and an ether group.NaltrexoneC20H23NO4Both carry a phenol, an alcohol and an ether group.NaloxoneC19H21NO4
Sources and notes
  • Similar in shapecomputedRDKit Morgan/TanimotoNeighbours by structural fingerprint; the sentence names the chemical groups the two share.
  • The drawingscomputedPubChem structures, drawn by RDKit