10-Hydroxycamptothecin - ≥98% , CAS No.64439-81-2

CAS: 64439-81-2 Cat. No.: H304266 Formula: C20H16N2O5 Molecular Weight: 364.35 EC Number: 613-598-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
(+/-)-10-HCPT|Hydroxy camptothecine|10-Hydroxyl-20(S)-Camptothecin|10-Hydroxycamptothecin|(+/-)-10-Hydroxycamptothecin|1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione,4-ethyl-4,9-dihydroxy-, (A+/-)-|( inverted exclamation markA)-10-Hydroxycamptothecin|10-Hydroxycampothecin|19-ethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione|4-Ethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione|(+/-)-4-ETHYL-4,9-DIHYDROXY-1H-PYRANO[3',4':6,7]INDOLIZINO[1,2-B]QUINOLINE-3,14(4H,12H)-DIONE
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
★
Size
USA
Germany (EU)*
Price
Qty
250mg
H304266-250mg
Made to order · 8–12 wks
$19.90
1g
H304266-1g
2 In stock
—
$49.90
5g
H304266-5g
2 In stock
—
$149.90
Enter a quantity for the sizes you want to add.

Overview

application:

A Camptothecin derivative; a topoisomerase inhibitor for cancer therapy.

Specifications

Synonyms
(+/-)-10-HCPT | Hydroxy camptothecine | 10-Hydroxyl-20(S)-Camptothecin | 10-Hydroxycamptothecin | (+/-)-10-Hydroxycamptothecin | 1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione,4-ethyl-4,9-dihydroxy-, (A+/-)- | ( inverted exclamation markA)-10-Hydroxycamptothecin | 10-Hydroxycampothecin | 19-ethyl-7,19-dihydroxy-17-oxa-3 Show more
Specifications & Purity
≥98%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Action Type
INHIBITOR
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504762964
Canonical Smiles
CCC1(C2=C(COC1=O)C(=O)N3CC4=C(C3=C2)N=C5C=CC(=CC5=C4)O)O
IUPAC Name
19-ethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione
InChIKey
HAWSQZCWOQZXHI-UHFFFAOYSA-N
INCHI
1S/C20H16N2O5/c1-2-20(26)14-7-16-17-11(5-10-6-12(23)3-4-15(10)21-17)8-22(16)18(24)13(14)9-27-19(20)25/h3-7,23,26H,2,8-9H2,1H3
Isomeric SMILES
CCC1(C2=C(COC1=O)C(=O)N3CC4=C(C3=C2)N=C5C=CC(=CC5=C4)O)O
Molecular Weight
364.35
Reaxy-Rn
5889587
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=5889587&ln=

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassAlkaloids and derivatives
ClassCamptothecins
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentCamptothecins
Alternative Parents Hydroxyquinolines  Pyranopyridines  Pyridinones  1-hydroxy-2-unsubstituted benzenoids  Tertiary alcohols  Heteroaromatic compounds  Carboxylic acid esters  Lactams  Lactones  Azacyclic compounds  Oxacyclic compounds  Monocarboxylic acids and derivatives  Organonitrogen compounds  Hydrocarbon derivatives  Organopnictogen compounds  Carbonyl compounds  Organic oxides  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Camptothecin - Hydroxyquinoline - Pyranopyridine - Quinoline - 1-hydroxy-2-unsubstituted benzenoid - Pyridinone - Pyridine - Benzenoid - Heteroaromatic compound - Tertiary alcohol - Carboxylic acid ester - Lactam - Lactone - Azacycle - Organoheterocyclic compound - Carboxylic acid derivative - Oxacycle - Monocarboxylic acid or derivatives - Organic nitrogen compound - Alcohol - Organic oxygen compound - Carbonyl group - Organonitrogen compound - Organooxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteropolycyclic compound
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
APEX1 Tchem DNA-(apurinic or apyrimidinic site) lyase (38016 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
SMN1 Tchem Survival motor neuron protein (34246 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Rorc Nuclear receptor ROR-gamma (89407 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Impa1 Inositol monophosphatase 1 (16203 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot NumberCertificate TypeDateItem
E2627428E2627428Certificate of AnalysisApr 29, 2026 H304266
E2627433E2627433Certificate of AnalysisApr 29, 2026 H304266
H2512082H2512082Certificate of AnalysisAug 25, 2025 H304266
H2223339H2223339Certificate of AnalysisAug 09, 2022 H304266
H2223340H2223340Certificate of AnalysisAug 09, 2022 H304266
Chemical and Physical Properties
SolubilityDMSO (Slightly), Methanol (Slightly, Heated)
Flash Point(°C)450.1ºC
Boil Point(°C)820.7ºC
Melt Point(°C)230-237°C
Molecular Weight364.400 g/mol
XLogP30.600
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count1
Exact Mass364.106 Da
Monoisotopic Mass364.106 Da
Topological Polar Surface Area100.000 Ų
Heavy Atom Count27
Formal Charge0
Complexity774.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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