9-Aminocamptothecin is an active derivative of camptothecin, which belongs to the general group of chemotherapy drugs called topoisomerase inhibitors. 9-Aminocamptothecin is an inhibitor of Topo I.
An active derivative of camptothecin and topoisomerase inhibitor

Specifications

Synonyms

Specifications & Purity

≥95%

Storage

Room temperature

Shipped In

Normal

Action Type

INHIBITOR

Mechanism of action

DNA topoisomerase I inhibitor

Purity

≥95%

Product Properties

ALogP	0.3

Names and Identifiers

Pubchem Sid	504754656
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504754656
Canonical Smiles	CCC1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC=C5N=C4C3=C2)N)O
IUPAC Name	(19S)-8-amino-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaene-14,18-dione
InChIKey	FUXVKZWTXQUGMW-FQEVSTJZSA-N
INCHI	1S/C20H17N3O4/c1-2-20(26)13-7-16-17-10(6-11-14(21)4-3-5-15(11)22-17)8-23(16)18(24)12(13)9-27-19(20)25/h3-7,26H,2,8-9,21H2,1H3/t20-/m0/s1
Isomeric SMILES	CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=C(C=CC=C5N=C4C3=C2)N)O
RTECS	UQ0490500
Molecular Weight	363.37
Reaxy-Rn	6376771
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=6376771&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Alkaloids and derivatives
  - Class Camptothecins

Kingdom	Organic compounds
Superclass	Alkaloids and derivatives
Class	Camptothecins
Subclass	Not available
Intermediate Tree Nodes	Not available
Direct Parent	Camptothecins
Alternative Parents	Aminoquinolines and derivatives Pyranopyridines Pyridinones Benzenoids Tertiary alcohols Heteroaromatic compounds Amino acids and derivatives Carboxylic acid esters Lactones Lactams Oxacyclic compounds Azacyclic compounds Monocarboxylic acids and derivatives Carbonyl compounds Organopnictogen compounds Organic oxides Primary amines Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	Camptothecin - Aminoquinoline - Pyranopyridine - Quinoline - Pyridinone - Pyridine - Benzenoid - Heteroaromatic compound - Tertiary alcohol - Amino acid or derivatives - Carboxylic acid ester - Lactam - Lactone - Carboxylic acid derivative - Oxacycle - Monocarboxylic acid or derivatives - Azacycle - Organoheterocyclic compound - Organic nitrogen compound - Amine - Hydrocarbon derivative - Organic oxide - Alcohol - Carbonyl group - Organopnictogen compound - Organonitrogen compound - Organooxygen compound - Primary amine - Organic oxygen compound - 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	pyranoindolizinoquinoline
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

3D Structure

Associated Targets(Human)

TOP1 Tclin DNA topoisomerase 1 (1 Activities)

Discover Target: TOP1

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

TOP1 Tclin DNA topoisomerase I (7553 Activities)

Discover Target: TOP1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PTH1R Tclin Parathyroid hormone receptor (47172 Activities)

Discover Target: PTH1R

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

POLB Tchem DNA polymerase beta (23632 Activities)

Discover Target: POLB

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

SMPD1 Tchem Sphingomyelin phosphodiesterase (13561 Activities)

Discover Target: SMPD1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PIN1 Tchem Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 (36611 Activities)

Discover Target: PIN1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

A498 (42825 Activities)

Lot Number	Certificate Type	Date	Item
H2230045	Certificate of Analysis	Mar 11, 2026	A139433
E1617078	Certificate of Analysis	Jul 09, 2025	A139433

Molecular Weight	363.400 g/mol
XLogP3	0.300
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	1
Exact Mass	363.122 Da
Monoisotopic Mass	363.122 Da
Topological Polar Surface Area	106.000 Å²
Heavy Atom Count	27
Formal Charge	0
Complexity	775.000
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	1

9-Aminocamptothecin - ≥95% , DNA topoisomerase I inhibitor, CAS No.91421-43-1, DNA topoisomerase I inhibitor

Why this grade

Storage & shipping

Quality documents

Literature proof

Overview

Specifications

Documentation

📋 Safety Data Sheet (SDS)

✅ Certificate of Analysis (COA)

📊 Datasheet

🔬 Specification Sheet

Advanced Data

Molarity Calculator

Dilution Calculator

Reconstitution Calculator

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