C13H13NO
199.25 g/mol
Pharmaceutical IntermediateDanger
9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one
CAS27387-31-1EC608-096-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound, this compound, is a chemical intermediate used in pharmaceutical manufacturing. It features a tricyclic carbazole core with a ketone functional group, and its structure includes two aromatic rings and a heterocyclic ring.
pharmaceutical manufacturing intermediate
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
ReferenceSame Category
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Referencesame scaffold
3-[(Dimethylamino)methyl]-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one hydrochloride
CAS119812-29-2
pharmaceutical raw material
Referencesame scaffold
3((dimethylamino)methyl)-1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one
CAS153139-56-1
pharmaceutical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 9-Methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one (CAS 27387-31-1) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
9-methyl-2,3-dihydro-1H-carbazol-4-one
InChIKey
HHJUJCWZKJMCLC-UHFFFAOYSA-N
SMILES
CN1C2=C(C(=O)CCC2)C3=CC=CC=C31
Synonyms (19)
- ONDANSETRON HYDROCHLORIDE DIHYDRATE IMPURITY C (EP IMPURITY)
- Ondansetron EP Impurity C
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