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Molecule record

(19S)-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

C20H16N2O4

348.36 g/mol

Loading structure

Molecular properties

Formula
C20H16N2O4
Molar mass
348.36 g·mol−1
Exact mass
348.1110 Da
14
PubChem CID
24360

Functional groups

Alcohol
Alkane / alkyl carbon
Aromatic ring
Ester
Ether

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • (+)-Camptothecin
  • (+)-Camptothecine
  • (4S)-4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
  • (S)-(+)-Camptothecin
  • (S)-4-ethyl-4-hydroxy-1H-pyrano-(3',4':6,7)indolozino(1,2-b)quinoline-3,14(4H,12H)-dione
  • 1H-Pyrano(3',3'.6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione, 4-ethyl-4hydroxy-(S)-
  • 1H-Pyrano(3',4':6,7)indolizino(1,2-b)quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-, (S)-
  • 20(S)-Camptothecine
Show all 24 synonyms
  • 20-(S)-camptothecine
  • 21, 22-Secocamptothecin-21-oic acid lactone
  • 21,22-Secocamptothecin-21-oic acid lactone
  • 7689-03-4
  • CHEBI:27656
  • Campathecin
  • Camptothecine
  • DTXCID8010956
  • DTXSID0030956
  • MFCD00081076
  • NSC-94600
  • NSC94600
  • RefChem:388854
  • XT3Z54Z28A
  • camptothecin
  • d-Camptothecin

Structure identifiers

Canonical SMILES
CC[C@@]1(O)C(=O)OCc2c1cc1n(c2=O)Cc2cc3ccccc3nc2-1
Isomeric SMILES
CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=CC5=CC=CC=C5N=C4C3=C2)O
InChI
InChI=1S/C20H16N2O4/c1-2-20(25)14-8-16-17-12(7-11-5-3-4-6-15(11)21-17)9-22(16)18(23)13(14)10-26-19(20)24/h3-8,25H,2,9-10H2,1H3/t20-/m0/s1
InChIKey
VSJKWCGYPAHWDS-FQEVSTJZSA-N
PubChem CID
24360

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for (19S)-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; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for (19S)-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; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

PubChem(link only)
Open source record