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Chemical substance record

Carprofen

53716-49-7C15H12ClNO2273.719 g/mol
Organic/Inorganic Small MoleculeChEBI source record

Propanoic acid in which one of the methylene hydrogens is substituted by a 6-chloro-9H-carbazol-2-yl group. A non-steroidal anti-inflammatory drug, it is no longer used in human medicine but is still used for treatment of arthritis in elderly dogs. — ChEBI

Safety references

Safety documents & references

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Identity & molecular properties

Source-linked values
CAS number53716-49-7ChEBI ↗
Molecular formulaC15H12ClNO2ChEBI ↗
Molar mass273.719 g/molChEBI ↗
Monoisotopic mass273.05566 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:364453ChEBI ↗

Cross-source molecular data

PubChem
Molar mass273.71 g/molPubChem ↗
Exact mass273.0556563 DaPubChem ↗
Computed XLogP4PubChem ↗
Topological polar surface area (Ų)53.1PubChem ↗
H-bond donors2PubChem ↗
H-bond acceptors2PubChem ↗
Rotatable bonds2PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

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carprofen
2-(6-chloro-9H-carbazol-2-yl)propanoic acid
PUXBGTOOZJQSKH-UHFFFAOYSA-N
CC(C(=O)O)c1ccc2c(c1)nc1ccc(Cl)cc12
InChI=1S/C15H12ClNO2/c1-8(15(18)19)9-2-4-11-12-7-10(16)3-5-13(12)17-14(11)6-9/h2-8,17H,1H3,(H,18,19)

Names & synonyms

2-(6-chloro-9H-carbazol-2-yl)propanoic acidcarprofenecarprofenocarprofenum

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology
organochlorine compoundChEBI parent class · 36683 ↗carbazolesChEBI parent class · 48513 ↗
organochlorine compoundorganic heterocyclic compoundorganic molecular entity

Roles recorded in ChEBI

non-steroidal anti-inflammatory drugEC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitorphotosensitizing agent

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.00365338 mol

Uses 273.719 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
C
Carbon · 15 atoms
65.82%
Cl
Chlorine · 1 atom
12.95%
O
Oxygen · 2 atoms
11.69%
N
Nitrogen · 1 atom
5.12%
H
Hydrogen · 12 atoms
4.42%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations
Perspectives in animal health: old targets and new opportunities. ↗Journal of medicinal chemistry · 2001 Mar 1 · PMID 11262075
2-Arylpropionic CXC chemokine receptor 1 (CXCR1) ligands as novel noncompetitive CXCL8 inhibitors. ↗Journal of medicinal chemistry · 2005 Jun 30 · PMID 15974585
DE2337340 · Patent reference ↗Patent cross-reference supplied by ChEBI. Association alone does not establish claim scope.
US3896145 · Patent reference ↗Patent cross-reference supplied by ChEBI. Association alone does not establish claim scope.
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Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:364453

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 2581 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.

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