C9H13NO2
167.2 g/mol
Pharmaceutical IntermediateDanger
8-Azaspiro[4.5]decane-7,9-dione
CAS1075-89-4EC427-770-4
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
8-Azaspiro[4. 5]decane-7,9-dione is a chemical compound used as a pharmaceutical intermediate in the manufacturing of buspirone, an anxiolytic medication.
pharmaceutical intermediate for buspirone 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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pharmaceutical intermediate
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pharmaceutical intermediate
ReferenceSame Category
Minocycline Impurity 41
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pharmaceutical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H411Toxic to aquatic life with long lasting effects
H401Toxic to aquatic life
Customs Tariff Classification
The international HS code for 8-Azaspiro[4.5]decane-7,9-dione (CAS 1075-89-4) is 2925.19.
HS code (international, 6-digit)
2925.19
EU CN code (8-digit)
2925 19 95
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
8-azaspiro[4.5]decane-7,9-dione
InChIKey
YRTHJMQKDCXPAY-UHFFFAOYSA-N
SMILES
C1CCC2(C1)CC(=O)NC(=O)C2
Synonyms (11)
- Buspirone EP Impurity K
- 1,1-Cyclopentanediacetimide
- 3,3-Tetramethyleneglutarimide
- 4,4-Tetramethyleneglutarimide
- azaspiro[4.5]decane-7,9-dione
- azaspirodecanedione
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