Specification :

CPT01: Camptothecin

( S) -4-Ethyl-4-hydroxy-1H-pyrano[ 3' , 4' : 6, 7] indolizino[ 1, 2-b] qui noline-3, 14( 4H, 12H) -dione
[ CAS # 7689-03-4]

CPT02: 7-Ethyl Camptothecin

( S) -4, 11-Diethyl-4-hydroxy-1H-pyrano( 3' , 4' : 6, 7) indolizino( 1, 2- b) quinoline-3, 14( 4H, 12H) -dione
[ CAS # 78287-27-1]

CPT03: 7-Ethyl-10-Hydroxy Camptothecin

( S) -4, 11-Diethyl-4, 9-dihydroxy-1H-pyrano[ 3' , 4' : 6, 7] indolizino[ 1, 2-b] quinoline-3, 14( 4H, 12H) -dione
[ CAS # 86639-52-3]

CPT04: 10-Hydroxy Camptothecin

( S) -4-Ethyl-4, 10-dihydroxy-1H-pyrano[ 3' , 4' : 6, 7] indolizino[ 1, 2- b] quinoline-3, 14( 4H, 12H) -dione
[ CAS # 19685-09-7]

CPT05: Irinotecan Hydrochloride Trihydrate

( S) -4, 11-Diethyl-3, 4, 12, 14-tetrahydro-4-hydroxy-3, 14-dioxo1H-pyr ano[ 3’ , 4’ : 6, 7] -indolizino[ 1, 2-b] quinolin-9-yl-[ 1, 4’ bipiperidine] -1’ -carboxyl ate Hydrochloride Trihydrate
[ CAS # 136572-09-3]

CPT06: Topotecan Hydrochloride

( S) -10-[ ( Dimethylamino) methyl] -4-ethyl-4, 9-dihydroxy-1H-pyran o[ 3' , 4' : 6, 7] indolizino[ 1, 2-b] quinoline-3, 14( 4H, 12H) -dione monohydrochloride
[ CAS # 119413-54-6 for HCl Salt] [ CAS # 123948-87-8 for Free Base]