C12H16O
176.25 g/mol
OtherWarning
4'-Isobutylacetophenone
CAS38861-78-8EC254-159-8
Category
Other
Compound Class
n.a
Primary Use
Environmental contaminant
4'-Isobutylacetophenone is a chemical compound identified as a toxic degradation product of ibuprofen. It has been detected in river and sewage water samples as an environmental contaminant.
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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research reagent
ReferenceSame Category
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Research compound for organic synthesis
ReferenceSame Category
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research reagent
ReferenceSame Category
4-Chloro-6-fluoroquinoline
CAS391-77-5
research compound
Safety Reference
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
H317May cause an allergic skin reaction
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4'-Isobutylacetophenone (CAS 38861-78-8) is 2914.39.
HS code (international, 6-digit)
2914.39
EU CN code (8-digit)
2914 39 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
1-[4-(2-methylpropyl)phenyl]ethanone
InChIKey
KEAGRYYGYWZVPC-UHFFFAOYSA-N
SMILES
CC(C)CC1=CC=C(C=C1)C(=O)C
Synonyms (19)
- Ibuprofen EP Impurity E
- Ibuprofen Imp. E (EP); Ibuprofen USP Related Compound C; Ibuprofen USP RC C; 1-[4-(2-Methylpropyl)phenyl]ethanone; Ibuprofen Related Compound C; Ibuprofen Impurity E
- 1-(4-Isobutylphenyl)ethanone
- 1-ACETYL-4-ISOBUTYLBENZENE
- 4'-Isobutylacetophenone
- 4-lsobutylacetophenone
- 4a(2)-Isobutylacetophenone
- Acetophenone, 4-isobutyl-
- IBUPROFEN IMPURITY E
- P-ACETYLISOBUTYLBENZENE
- p-Isobutylacetophenone
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