Synonym
Topotecan carboxylic acid sodium; Hydrotopotecan; SKF 105992; SKF-105992; SKF105992; Topotecancarboxylic acid;
IUPAC/Chemical Name
1-[(Dimethylamino)methyl]-α-ethyl-9,11-dihydro-α,2-dihydroxy-8-(hydroxymethyl)-9-oxo-indolizino[1,2-b]quinoline-7-acetic Acid Monosodium Salt
InChi Key
MKNSEUWGSSBVQF-UHFFFAOYSA-M
InChi Code
InChI=1S/C23H25N3O6.Na/c1-4-23(32,22(30)31)16-8-18-20-12(9-26(18)21(29)15(16)11-27)7-13-14(10-25(2)3)19(28)6-5-17(13)24-20;/h5-8,27-28,32H,4,9-11H2,1-3H3,(H,30,31);/q;+1/p-1
SMILES Code
O=C([O-])C(O)(CC)C1=C(CO)C(N2CC3=CC4=C(CN(C)C)C(O)=CC=C4N=C3C2=C1)=O.[Na+]
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
Preparing Stock Solutions
The following data is based on the
product
molecular weight
461.45
Batch specific molecular weights may vary
from batch to batch
due to the degree of hydration, which will
affect the solvent
volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass |
1 mg |
5 mg |
10 mg |
| 1 mM |
1.15 mL |
5.76 mL |
11.51 mL |
| 5 mM |
0.23 mL |
1.15 mL |
2.3 mL |
| 10 mM |
0.12 mL |
0.58 mL |
1.15 mL |
| 50 mM |
0.02 mL |
0.12 mL |
0.23 mL |
1. Thomas A, Redon CE, Sciuto L, Padiernos E, Ji J, Lee MJ, Yuno A, Lee S, Zhang Y, Tran L, Yutzy W, Rajan A, Guha U, Chen H, Hassan R, Alewine CC, Szabo E, Bates SE, Kinders RJ, Steinberg SM, Doroshow JH, Aladjem MI, Trepel JB, Pommier Y. Phase I Study of ATR Inhibitor M6620 in Combination With Topotecan in Patients With Advanced Solid Tumors. J Clin Oncol. 2018 Jun 1;36(16):1594-1602. doi: 10.1200/JCO.2017.76.6915. Epub 2017 Dec 18. PMID: 29252124; PMCID: PMC5978471.
2. Ackermann S, Beckmann MW, Thiel F, Bogenrieder T. Topotecan in cervical cancer. Int J Gynecol Cancer. 2007 Nov-Dec;17(6):1215-23. doi: 10.1111/j.1525-1438.2007.01003.x. PMID: 17997795.
