# 4-Hydroxybenzaldehyde (CAS 123-08-0)

CAS: 123-08-0
PubChem CID: 126
InChIKey: RGHHSNMVTDWUBI-UHFFFAOYSA-N
Molecular formula: C7H6O2
Molar mass: 122.12 g/mol
IUPAC: 4-hydroxybenzaldehyde
SMILES: C1=CC(=CC=C1C=O)O
InChI: InChI=1S/C7H6O2/c8-5-6-1-3-7(9)4-2-6/h1-5,9H
logP (XLogP3): 1.4
PSA: 37.3 A^2
Hydrogen bond donors: 1
Hydrogen bond acceptors: 2
Rotatable bonds: 1
Heavy atoms: 9

## About the compound

4-Hydroxybenzaldehyde (CAS 123-08-0) is a chemical compound registered under CAS number 123-08-0. Molecular formula: C7H6O2. Molar mass: 122.12 g/mol. The full systematic IUPAC name is: 4-hydroxybenzaldehyde. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molekula/123-08-0/


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Product: 4-Hydroxybenzaldehyde (CAS 123-08-0) — Shanxi Hyd
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## Data sources

  - PubChem CID 126: https://pubchem.ncbi.nlm.nih.gov/compound/126
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=123-08-0
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=123-08-0

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Last updated: 2026-09-02
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