N-Desmethyl Topotecan structure

N-Desmethyl Topotecan

TL;DR: N-Desmethyl Topotecan (CAS 190710-79-3) is a chemical compound with molecular formula C22H21N3O5 and molecular weight 407.15 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(19S)-19-ethyl-7,19-dihydroxy-8-(methylaminomethyl)-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

Also Known As: N-Desmethyl Topotecan, N-Desmethyltopotecan, Topotecan N-Desmethyl Impurity, SK&F-105992, 1H-Pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione, 4-ethyl-4,9-dihydroxy-10-((methylamino)methyl)-, (4S)-

CAS: 190710-79-3
Molecular Formula C22H21N3O5
Molecular Weight 407.15 g/mol
LogP 1.5046
Topological Polar Surface Area 113.68 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 7
Rotatable Bonds 3
Exact Mass 407.14813
Heavy Atoms 30
Complexity 1296.3982

Chemical Identifiers

CAS Number 190710-79-3
SMILES CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC(=C5CNC)O)N=C4C3=C2)O

Product Overview

N-Desmethyl Topotecan (CAS 190710-79-3), with molecular formula C22H21N3O5 and molecular weight 407.15 g/mol. IUPAC: (19S)-19-ethyl-7,19-dihydroxy-8-(methylaminomethyl)-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.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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Chemical Property Profile of N-Desmethyl Topotecan

XLogP
1.5046
TPSA (Topological Polar Surface Area)
113.68
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
7
Rotatable Bonds
3
Heavy Atoms
30
Complexity
1296.3982
Exact Mass
407.14813
Monoisotopic Mass
407.14813
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of N-Desmethyl Topotecan

The XLogP value of 1.5046 suggests moderate lipophilicity, balancing water solubility and membrane permeability for N-Desmethyl Topotecan. The TPSA of 113.68 Ų falls within the moderate polarity range, balancing permeability and solubility for N-Desmethyl Topotecan. Following Lipinski's Rule of Five, N-Desmethyl Topotecan has 3 hydrogen bond donor(s) and 7 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

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.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of N-Desmethyl Topotecan?

The CAS number of N-Desmethyl Topotecan is 190710-79-3.

What is the molecular formula of N-Desmethyl Topotecan?

The molecular formula of N-Desmethyl Topotecan is C22H21N3O5.

What is the molecular weight of N-Desmethyl Topotecan?

The molecular weight of N-Desmethyl Topotecan is 407.15 g/mol.

Where can I buy N-Desmethyl Topotecan?

You can request a quote for N-Desmethyl Topotecan directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for N-Desmethyl Topotecan?

Yes, KEHONG BIO provides custom synthesis services for N-Desmethyl Topotecan and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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