moleculefinder

Clindamycin

C18H33ClN2O5S425 g/mol Calculated

Also called Cleocin.

An antibiotic for serious skin, dental and bone infections, and a topical acne treatment. Clindamycin (C18H33ClN2O5S, 425 g/mol) is an antibiotic dispensed on prescription.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Other namesfrom sourcePubChem / 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. Clindamycin on the product labels we hold.

Medicines

Cleocin HydrochlorideAdded 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.

A C=O bonded to a nitrogen, the same link that joins amino acids in a protein. It is sturdy, and its nitrogen is not a base the way an amine's is.

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
C18H33ClN2O5S
Molecular weight
425 g/mol
XLogP3octanol/water, log units
2.2
Polar surface areatopological
128 Ų
H-bond donors
4
H-bond acceptors
7
Rotatable bonds
7
Complexity
502

Reported Licence

The US Food and Drug Administration licenses Clindamycin for human use (NDA 050162, authorized February 22, 1970), as Cleocin Hydrochloride. Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Family
Antibiotics
Chemical groups
Alcohols, Amides, Ethers, Halogenated
Elements
Chlorine, Nitrogen, Sulfur
SMILESCCC[C@@H]1C[C@H](N(C1)C)C(=O)NC([C@@H]2[C@@H]([C…83 characters

PubChem CID 29029 · Wikidata Q422273 · InChIKey KDLRVYVGXIQJDK-NOWPCOIGSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Clindamycin?
An antibiotic for serious skin, dental and bone infections, and a topical acne treatment. Clindamycin (C18H33ClN2O5S, 425 g/mol) is an antibiotic dispensed on prescription.
What kind of molecule is Clindamycin?
Clindamycin has the formula C18H33ClN2O5S and a molecular weight of 425 g/mol. MoleculeFinder files it under antibiotics, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
Who licenses Clindamycin as a medicine?
The US Food and Drug Administration licenses Clindamycin for human use (NDA 050162, authorized February 22, 1970), as Cleocin Hydrochloride. 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