Molecule record

NAPROXEN

C14H14O3

230.26 g/mol

2D structure for NAPROXEN

Molecular properties

Formula
C14H14O3
Molar mass
230.26 g·mol−1
Exact mass
230.0943 Da
8
1
3
46.50 Ų
3.3 (PubChem computed XLogP3-AA descriptor)
CAS
22204-53-1
PubChem CID
156391

Interactions

Polarity
Often polar; exact polarity depends on size, substitution, and ionization state.
Acid-base behavior
Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
Intermolecular forces
Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.

Functional groups

Alcohol
Alkene
Aromatic ring
Carboxylic acid
Phenol

Physical properties

PropertyValueConditionsSource
Logp3.3PubChem computed XLogP3-AA descriptorPubChem(link only)

Common names and synonyms

  • (+)-(S)-Naproxen
  • (+)-Naproxen
  • (2S)-2-(6-methoxynaphthalen-2-yl)propanoic acid
  • (S)-(+)-2-(6-Methoxy-2-naphthyl)propionic acid
  • (S)-(+)-Naproxen
  • (S)-Naproxen
  • 22204-53-1
  • Axer
Show all 22 synonyms
  • Bonyl
  • Calosen
  • Ec-Naprosyn
  • Equiproxen
  • Laraflex
  • Naixan
  • Naprosyn
  • Naprosyne
  • Naproxene
  • Naproxeno
  • Naxen
  • Nycopren
  • Reuxen
  • d-Naproxen

Structure identifiers

Canonical SMILES
C[C@@H](C1=CC2=C(C=C1)C=C(C=C2)OC)C(=O)O
Isomeric SMILES
C[C@@H](C1=CC2=C(C=C1)C=C(C=C2)OC)C(=O)O
InChI
InChI=1S/C14H14O3/c1-9(14(15)16)10-3-4-12-8-13(17-2)6-5-11(12)7-10/h3-9H,1-2H3,(H,15,16)/t9-/m0/s1
InChIKey
CMWTZPSULFXXJA-VIFPVBQESA-N
PubChem CID
156391

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library

Simulated FTIR trace

Predicted FTIR / %T

4 cm-1 resolution / deterministic instrument profile

Hover for cursor
4000350030002500200015001000500100500wavenumber (cm−1)transmittance (%)

Peak assignments

3350 cm−1broad O-H (simulated)
3000 cm−1broad acid O-H (simulated)
1710 cm−1C=O acid (simulated)
1645 cm−1C=C alkene (simulated)
3030 cm−1aromatic C-H (simulated)
1600 cm−1aromatic C=C (simulated)
2960 cm−1sp3 C-H (simulated)

Simulated NMR

On-demand educational prediction for NAPROXEN; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for NAPROXEN; not experimental data.

Sources

Molecule identity

Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.

simulated IR

ChemForge original educational simulation.

Open source record