C11H14O3
194.23 g/mol
Pharmaceutical IntermediateWarning
4-(4-Methoxyphenyl)butyric acid
CAS4521-28-2EC224-849-3
Category
Pharmaceutical Intermediate
Compound Class
Organic Acid
Primary Use
Pharmaceutical Intermediate
4-(4-Methoxyphenyl)butyric acid is a chemical compound featuring a methoxyphenyl ring linked to a butanoic acid chain. It is commonly utilized as a pharmaceutical intermediate in the synthesis of various organic compounds.
Pharmaceutical intermediate for chemical 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
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-(4-Methoxyphenyl)butyric acid (CAS 4521-28-2) is 2918.99.
HS code (international, 6-digit)
2918.99
EU CN code (8-digit)
2918 99 90
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
4-(4-methoxyphenyl)butanoic acid
InChIKey
LZHMNCJMXQKSBY-UHFFFAOYSA-N
SMILES
COC1=CC=C(C=C1)CCCC(=O)O
Synonyms (9)
- 4-Methoxybenzenebutanoic acid
- 4-p-methoxyphenylbutyric acid
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