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CAS 0 records

CAS 123-08-0

CAS 123-08-0 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 123-08-0
CAS 123-08-0PubChem CID 126

4-Hydroxybenzaldehyde

4-hydroxybenzaldehyde is a hydroxybenzaldehyde that is benzaldehyde substituted with a hydroxy group at position C-4. It has a role as an EC 1.14.17.1 (dopamine beta-monooxygenase) inhibitor, a mouse metabolite and a plant metabolite. ChEBI

IUPAC name
4-hydroxybenzaldehyde
Molecular formula
C7H6O2
Molecular weight
122.12 g/mol
Exact mass
122.036779430 Da
XLogP3
1.4
Topological polar surface area
37.3 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

p-Hydroxybenzaldehyde4-Formylphenolp-FormylphenolBenzaldehyde, 4-hydroxy-p-OxybenzaldehydeParahydroxybenzaldehydeFEMA NO. 3984Para-Hydroxybenzaldehyde
16 more reported names
NSC-2127O1738X3Y38CHEBI:17597RefChem:99272204-599-14-Hydroxy benzaldehydeBenzaldehyde, p-hydroxy-4-HYDROXY-BENZALDEHYDEUSAF M-6Bisoprolol EP Impurity S4-formyl-phenolNSC 21274-hydoxybenzaldehydeCCRIS 8911p-hydroxy benzaldehydep-Hydroxy-benzaldehyde
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match126

Attributed physical-property, hazard, environmental and use annotations.

  • GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 1430 of 1647 companies Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 1647 reports by companies from 13 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 1430 of 1647 reports by companies.; There are 12 notifications provided by 217 of 1647 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

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 123-08-0

0 total
No records found for this CAS number.

How CAS 123-08-0 is used on this site

CAS 123-08-0 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 123-08-0 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.