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Systematic (IUPAC) name
2-Methoxyphenyl 2-acetoxybenzoate
Clinical data
Trade names Broncaspin; Balsacetil; Guaiaspir; Prontomucil
Legal status
CAS number 55482-89-8
ATC code N02BA14
PubChem CID 68749
ChemSpider 61994
Synonyms Aspirin guaiacol ester; O-Methoxyphenyl salicylate acetate
Chemical data
Formula C16H14O5 
Molecular mass 286.279 g/mol

Guacetisal is a drug that has been used to treat inflammatory respiratory diseases.[1] Chemically, it is an ester resulting from the combination of aspirin and guaiacol.


  1. ^ Vizioli, A; Zamperini, D; Ursaia, G (1982). "Clinical trial of guacetisal in aged subjects with inflammatory diseases of the respiratory tract". La Clinica terapeutica 103 (5): 527–33. PMID 6761043.