topotecan structure

topotecan

(19S)-8-[(dimethylamino)methyl]-19-ethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione

CAS: 123948-87-8
Molecular Formula C23H23N3O5
Molecular Weight 421.4 g/mol
LogP 0.5
Topological Polar Surface Area 103.0 A2
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 7
Rotatable Bonds 3
Exact Mass 421.16376
Heavy Atoms 31
Complexity 867.0

Chemical Identifiers

CAS Number 123948-87-8
SMILES CCC1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC(=C5CN(C)C)O)N=C4C3=C2)O
InChIKey UCFGDBYHRUNTLO-QHCPKHFHSA-N

📖 Product Overview

topotecan (CAS: 123948-87-8) is a chemical compound with molecular formula C23H23N3O5 and molecular weight 421.4 g/mol. Its IUPAC systematic name is (19S)-8-[(dimethylamino)methyl]-19-ethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione. LogP 0.5 Topological Polar Surface Area 103.0 A2 Hydrogen Bond Donors 2 Hydrogen Bond Acceptors 7 Rotatable Bonds 3 Exact Mass 421.16376 Heavy Atoms 31 Complexity 867.0 InChI Key: UCFGDBYHRUNTLO-QHCPKHFHSA-N. SMILES: CCC1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC(=C5CN(C)C)O)N=C4C3=C2)O.

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Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
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