C9H8O2
148.16 g/mol
Pharmaceutical IntermediateDanger
2,3-Dihydrobenzofuran-5-carboxaldehyde
CAS55745-70-5EC259-788-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2,3-Dihydrobenzofuran-5-carboxaldehyde is a chemical compound used as a pharmaceutical intermediate in organic synthesis. It features a benzofuran ring system with an aldehyde functional group, making it a building block for various active pharmaceutical ingredients.
pharmaceutical intermediate for synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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ReferenceSame Category
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pharmaceutical intermediate
Referencesame scaffold
2,3-Dihydrobenzofuranyl-5-acetic acid
CAS69999-16-2
pharmaceutical intermediate
Referencesame scaffold
6-Bromo-2,3-dihydrobenzofuran-3-amine
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research compound
Referencesame scaffold
(1S)-1-(2,3-dihydro-1-benzofuran-4-yl)ethane-1,2-diol
CAS256472-68-1
pharmaceutical intermediate
Referencesame scaffold
5-Chloro-2,2-dimethyl-2,3-dihydrobenzofuran-7-yl Methylcarbamate
CAS4790-93-6
carbamate insecticide
Safety Reference
Danger
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Customs Tariff Classification
The international HS code for 2,3-Dihydrobenzofuran-5-carboxaldehyde (CAS 55745-70-5) is 2932.99.
HS code (international, 6-digit)
2932.99
EU CN code (8-digit)
2932 99 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2,3-dihydro-1-benzofuran-5-carbaldehyde
InChIKey
WEBVDBDZSOJGPB-UHFFFAOYSA-N
SMILES
C1COC2=C1C=C(C=C2)C=O
Synonyms (13)
- 5-Coumarancarboxaldehyde
- Ramelteon Impurity G
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