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Guaiacolsulfonic acid

Clinical data
MedlinePlus	a606008
Pregnancy category	IV, V, VI, VII, VIII -->
ATC code	R05CA09 (WHO)
Identifiers
IUPAC name 4-hydroxy-3-methoxy-benzenesulfonic acid
CAS Number	50855-43-1
PubChem CID	4874
ChemSpider	4708
UNII	713AJ00NPG
CompTox Dashboard (EPA)	DTXSID80991669
ECHA InfoCard	100.027.668
Chemical and physical data
Formula	C7H8O5S
Molar mass	204.20 g·mol
3D model (JSmol)	Interactive image
SMILES COc1cc(S(=O)(=O)O)ccc1O
InChI InChI=1S/C7H8O5S/c1-12-7-4-5(13(9,10)11)2-3-6(7)8/h2-4,8H,1H3,(H,9,10,11) Key:PSWOVMUIOCKEJX-UHFFFAOYSA-M
(verify)

Guaiacolsulfonic acid (also called sulfoguaiacolum) is an aromatic sulfonic acid used in medicine as an expectorant.

See also

• Guaiacol

References

1. Hydrocodone/potassium guaiacolsulfonate liquid: Consumer Drug Information

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• Expectorants
• Benzenesulfonic acids
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