moleculefinder

Semaglutide

C187H291N45O594114 g/mol Calculated

Also called Ozempic, Kayshild, Rybelsus and Wegovy.

A GLP-1 peptide used for type 2 diabetes and for weight loss, sold as Ozempic and Wegovy. At 187 carbons it is a chain, not a small molecule.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Other namesfrom sourcePubChem / Wikidata
  • Formula and weightcomputedPubChem
  • 2D drawingcomputedPubChem structure, drawn by RDKit

Where you encounter it

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

Medicines

OzempicAdded by the makerActive ingredient
WegovyAdded 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.

Compare a related molecule

Metformin is a tiny molecule that cuts glucose production in the liver, while semaglutide is a copy of the gut hormone GLP-1 that also curbs appetite.

Metformin vs Semaglutide, side by side

Also compared

Sources and notes
  • The sentencefrom sourceMoleculeFinder comparison notesThe pair's answer line.

Properties and sources

Calculated by PubChem

Molecular formula
C187H291N45O59
Molecular weight
4114 g/mol
XLogP3octanol/water, log units
−5.8
Polar surface areatopological
1650 Ų
H-bond donors
57
H-bond acceptors
63
Rotatable bonds
151
Complexity
9590

Reported Hazard label (GHS), ECHA via PubChem

Danger Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H302, H312, H315, H319, H332, H351, H361, H373

Reported Licence

The US Food and Drug Administration licenses Semaglutide for human use (NDA 209637, authorized December 5, 2017), as Ozempic. Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Family
Diabetes medicines
Chemical groups
Alcohols, Carboxylic Acids, Amines, Aromatics, Amides, Phenols, Ethers
Elements
Nitrogen
Hazard classes
Irritant, Health hazard, GHS Danger
Size
Over 1000 g/mol
SMILESCC[C@H](C)[C@@H](C(=O)N[C@@H](C)C(=O)N[C@@H](CC1…653 characters

PubChem CID 56843331 · Wikidata Q27261089 · InChIKey DLSWIYLPEUIQAV-CCUURXOWSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Semaglutide?
A GLP-1 peptide used for type 2 diabetes and for weight loss, sold as Ozempic and Wegovy. At 187 carbons it is a chain, not a small molecule.
How toxic is Semaglutide?
Its GHS hazard label carries the signal word Danger and the hazard pictograms Irritant and Health hazard. from source
What kind of molecule is Semaglutide?
Semaglutide has the formula C187H291N45O59 and a molecular weight of 4,114 g/mol. MoleculeFinder files it under diabetes medicines, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
Who licenses Semaglutide as a medicine?
The US Food and Drug Administration licenses Semaglutide for human use (NDA 209637, authorized December 5, 2017), as Ozempic. 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

Compared side by side with semaglutideMetforminC4H11N5Compared side by side with semaglutideTirzepatideC225H348N48O68Compared side by side with semaglutideLiraglutideC172H265N43O51Both carry a phenol, an alcohol and a carboxylic acid group.Vasoactive intestinal peptideC147H237N43O43S
More related molecules
  • Glucagon Both carry a phenol, an alcohol and a carboxylic acid group.
  • Tesamorelin Both carry a phenol, an alcohol and a carboxylic acid group.
  • Calcitonin Both carry a phenol, an alcohol and a carboxylic acid group.
  • Cholecystokinin Both carry an alcohol, a carboxylic acid and an amide group.
  • Ghrelin Both carry an alcohol, a carboxylic acid and an amide group.
  • Insulin Both carry a phenol, an alcohol and a carboxylic acid group.
Sources and notes
  • Compared side by sidefrom sourceMoleculeFinder comparison notesA molecule we compare it with on its own page.
  • Similar in shapecomputedRDKit Morgan/TanimotoNeighbours by structural fingerprint; the sentence names the chemical groups the two share.
  • The drawingscomputedPubChem structures, drawn by RDKit