9-Methoxycamptothecin

CAS	19685-10-0
Structure
Synonyms	(4S)-4-Ethyl-4-hydroxy-9-methoxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
IUPAC Name	(19S)-19-ethyl-19-hydroxy-7-methoxy-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
Molecular Weight	378.38
Molecular Formula	C21H18N2O5
Canonical SMILES	CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=C(C3=C2)N=C5C=CC(=CC5=C4)OC)O
InChI	InChI=1S/C21H18N2O5/c1-3-21(26)15-8-17-18-12(6-11-7-13(27-2)4-5-16(11)22-18)9-23(17)19(24)14(15)10-28-20(21)25/h4-8,26H,3,9-10H2,1-2H3/t21-/m0/s1
InChI Key	KLFJSYOEEYWQMR-NRFANRHFSA-N
Boiling Point	773.1±60.0 °C
Melting Point	254-255 °C
Purity	98%
Density	1.5 g/ml
pKa	11.21±0.20
Appearance	Solid