Topotecan-d6 Price Not Available 5mg Topotecan-d6 Supplier Page Catalog Number R005401 Molecular Formula C23H23N3O5 CAS# 1044904-10-0 Purity ≥98% Inchi InChI=1S/C23H23N3O5/c1-4-23(30)16-8-18-20-12(9-26(18)21(28)15(16)11-31-22(23)29)7-13-14(10-25(2)3)19(27)6-5-17(13)24-20/h5-8,27,30H,4,9-11H2,1-3H3/t23-/m0/s1/i2D3,3D3 Inchi Key UCFGDBYHRUNTLO-DPZAMXPDSA-N SMILES CCC1(C2=C(COC1=O)C(=O)N3CC4=C(C3=C2)N=C5C=CC(=C(C5=C4)CN(C)C)O)O Size 5mg Supplier Page https://www.musechem.com/product/R005401.html