Date published: 2025-9-16

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2-Chloro-4-hydroxy-5-methoxy-benzaldehyde (CAS 18268-76-3)

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CAS Number:
18268-76-3
Molecular Weight:
186.6
Molecular Formula:
C8H7ClO3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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2-Chloro-4-hydroxy-5-methoxy-benzaldehyde is an organic compound that possesses a benzene ring with three substituents: a chloro group at the 2-position, a hydroxyl group at the 4-position, and a methoxy group at the 5-position. Additionally, there′s an aldehyde functional group present. The aldehyde functional group typically is electrophilic, meaning it can undergo nucleophilic addition reactions. The combination of hydroxyl, methoxy, and aldehyde groups offers distinct infrared (IR) spectroscopy peaks. The compound also shows distinct UV-Visible absorption characteristics due to the conjugation in the benzaldehyde group. This compound serves as a precursor in the synthesis of other organic compounds, with the aldehyde group being particularly reactive. Given its distinct structure, it can also serve as a standard in chromatography or other analytical techniques, as well as a useful tool in the synthesis of polymers or other materials.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

2-Chloro-4-hydroxy-5-methoxy-benzaldehyde, 500 mg

sc-307400
500 mg
$255.00