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CAS 90-05-1

CAS 90-05-1 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 90-05-1
CAS 90-05-1PubChem CID 460

Guaiacol

Guaiacol is an agent thought to have disinfectant properties and used as an expectorant. Guaiacol is a phenolic natural product first isolated from Guaiac resin and the oxidation of lignin. Guaiacol is also present in wood smoke, as a product of pyrolysis of lignin. Guaiacol has been found in the urine of patients with neuroblastoma and pheochromocytoma. — DrugBank

IUPAC name
2-methoxyphenol
Molecular formula
C7H8O2
Molecular weight
124.14 g/mol
Exact mass
124.052429494 Da
XLogP3
1.3
Topological polar surface area
29.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

o-Methoxyphenol2-Hydroxyanisoleo-GuaiacolGuaiastilPyroguaiac acido-HydroxyanisolePhenol, 2-methoxy-Anastil
16 more reported names
1-Hydroxy-2-methoxybenzenePyrocatechol monomethyl etherGuaicolPhenol, o-methoxy-GuaicolinaGuajolGuasolO-Methyl catecholCreodon2-Methoxy-PhenolGuajacolGuajakolCatechol monomethyl etherFEMA No. 2532Pyrocatechol methyl ester(mu)-methoxyphenol
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 90-05-1

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No records found for this CAS number.

How CAS 90-05-1 is used on this site

CAS 90-05-1 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 90-05-1 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.