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CAS 529-20-4

CAS 529-20-4 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 529-20-4
CAS 529-20-4PubChem CID 10722

2-Methylbenzaldehyde

O-tolualdehyde is a tolualdehyde compound with the methyl substituent at the 2-position. It has a role as a plant metabolite. — ChEBI

IUPAC name
2-methylbenzaldehyde
Molecular formula
C8H8O
Molecular weight
120.15 g/mol
Exact mass
120.057514874 Da
XLogP3
2.1
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

O-TOLUALDEHYDE2-Tolualdehyde2-Formyltolueneo-Tolylaldehydeo-Toluylaldehydeo-Methylbenzaldehydeo-Toluic aldehydeBenzaldehyde, 2-methyl-
16 more reported names
o-MethylbenazldehydeToluic aldehydeQ7E5H6W6BGNSC-103152CHEBI:27434FEMA NO. 3068, O-RefChem:475958208-452-22-Methyl-BenzaldehydeNSC 103152UNII-Q7E5H6W6BGEINECS 208-452-2o-Tolualdehyde, 97%O-TOLUALDEHYDE [MI]CAS-529-20-4CCRIS 4735
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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 529-20-4

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No records found for this CAS number.

How CAS 529-20-4 is used on this site

CAS 529-20-4 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 529-20-4 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.