Home/Compounds/Pharmaceutical Intermediate/(4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione
C13H13NO5
263.25 g/mol
Pharmaceutical IntermediateWarning
(4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione
CAS110351-94-5EC828-521-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a chiral pharmaceutical intermediate used in the synthesis of Exatecan. It features a complex fused-ring structure with multiple functional groups, including an alcohol, ester, and aromatic ring.
Pharmaceutical intermediate for Exatecan synthesisResearch compound for anticancer drug development
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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Safety Reference
Warning
H302Harmful if swallowed
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for (4S)-4-Ethyl-7,8-dihydro-4-hydroxy-1H-pyrano[3,4-f]indolizine-3,6,10(4H)-trione (CAS 110351-94-5) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 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
(4S)-4-ethyl-4-hydroxy-7,8-dihydro-1H-pyrano[3,4-f]indolizine-3,6,10-trione
InChIKey
IGKWOGMVAOYVSJ-ZDUSSCGKSA-N
SMILES
CC[C@@]1(C2=C(COC1=O)C(=O)N3CCC(=O)C3=C2)O
Synonyms (11)
- Exatecan Intermediate 1
- Irinotecan Impurity 14
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