Salicylic acid Cotton pads soaked in salicylic acid for medical use Clinical data AHFS/Drugs.com Multum Consumer Information Routes of administration topical ATC code D01AE12 (WHO) Identifiers CAS Number 69-72-7 PubChem CID 338 DrugBank DB00936 ChemSpider 331 Chemical and physical data Formula C7H6O3 Molar mass 138.12 g·mol−1 3D model (JSmol) Interactive image SMILES c1ccc(c(c1)C(=O)O)O InChI InChI=1S/C7H6O3/c8-6-4-2-1-3-5(6)7(9)10/h1-4,8H,(H,9,10) Key:YGSDEFSMJLZEOE-UHFFFAOYSA-N