C6H8O2
112.13 g/mol
Pharmaceutical IntermediateWarning
2-METHYL-1,3-CYCLOPENTANEDIONE
CAS765-69-5EC212-153-2
Category
Pharmaceutical Intermediate
Compound Class
Other
Primary Use
Pharmaceutical Intermediate
2-Methyl-1,3-cyclopentanedione is a cyclic diketone used as a synthetic building block in organic chemistry. It is structurally related to the Wieland–Miescher ketone, a versatile synthon employed in the total synthesis of more than 50 natural products, including sesquiterpenoids, diterpenes, and steroids.
Building block for natural product synthesisIntermediate in the synthesis of biologically active compounds
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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Referencesame scaffold
2-ethylcyclopentane-1,3-dione
CAS823-36-9
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Safety Reference
Warning
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 2-METHYL-1,3-CYCLOPENTANEDIONE (CAS 765-69-5) is 2914.29.
HS code (international, 6-digit)
2914.29
EU CN code (8-digit)
2914 29 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-methylcyclopentane-1,3-dione
InChIKey
HXZILEQYFQYQCE-UHFFFAOYSA-N
SMILES
CC1C(=O)CCC1=O
Synonyms (5)
- 2-Methyl-1,3-cyclopentadione
- 2-methyl-1,3-cyclopentandione
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