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analytical standard, ≥99%(HPLC) Analytical standard for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Description:
IC50 Value: 37-280 uM (Human glioma cell lines) [1]
Topotecan (TPT, 9-dimethylaminomethyl-10-hydroxycamptothecin) is the first topoisomerase I-directed cytotoxic agent to enter clinical trials in the United States.<
| Canonical Smiles | CCC1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC(=C5CN(C)C)O)N=C4C3=C2)O.Cl |
|---|---|
| IUPAC Name | (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;hydrochloride |
| InChIKey | DGHHQBMTXTWTJV-BQAIUKQQSA-N |
| INCHI | 1S/C23H23N3O5.ClH/c1-4-23(30)16-8-18-20-12(9-26(18)21(28)15(16)11-31-22(23)29)7-13-14(10-25(2)3)19(27)6-5-17(13)24-20;/h5-8,27,30H,4,9-11H2,1-3H3;1H/t23-;/m0./s1 |
| Isomeric SMILES | CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC(=C5CN(C)C)O)N=C4C3=C2)O.Cl |
| Alternate CAS | 123948-87-8 |
| Molecular Weight | 457.91 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Alkaloids and derivatives |
| Class | Camptothecins |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Camptothecins |
| Alternative Parents | Hydroxyquinolines Pyranopyridines 1-hydroxy-2-unsubstituted benzenoids Pyridinones Aralkylamines Tertiary alcohols Heteroaromatic compounds Trialkylamines Amino acids and derivatives Carboxylic acid esters Lactams Lactones Oxacyclic compounds Azacyclic compounds Monocarboxylic acids and derivatives Hydrocarbon derivatives Organopnictogen compounds Hydrochlorides Organic oxides Carbonyl compounds |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Camptothecin - Hydroxyquinoline - Pyranopyridine - Quinoline - 1-hydroxy-2-unsubstituted benzenoid - Pyridinone - Aralkylamine - Pyridine - Benzenoid - Heteroaromatic compound - Tertiary alcohol - Amino acid or derivatives - Carboxylic acid ester - Lactam - Lactone - Tertiary amine - Tertiary aliphatic amine - Oxacycle - Organoheterocyclic compound - Azacycle - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Hydrocarbon derivative - Organonitrogen compound - Organic oxygen compound - Organic oxide - Organopnictogen compound - Organooxygen compound - Amine - Alcohol - Organic nitrogen compound - Carbonyl group - Hydrochloride - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as camptothecins. These are heterocyclic compounds comprising a planar pentacyclic ring structure, that includes a pyrrolo[3,4-beta]-quinoline moiety (rings A, B and C), conjugated pyridone moiety (ring D) and one chiral center at position 20 within the alpha-hydroxy lactone ring with (S) configuration (the E-ring). |
| External Descriptors | Not available |
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| Melt Point(°C) | 213-225°C |
|---|---|
| Molecular Weight | 457.900 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 3 |
| Exact Mass | 457.14 Da |
| Monoisotopic Mass | 457.14 Da |
| Topological Polar Surface Area | 103.000 Ų |
| Heavy Atom Count | 32 |
| Formal Charge | 0 |
| Complexity | 867.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 1 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |
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