WARNING: This product is for research use only, not for human or veterinary use.
MedKoo CAT#: 204910
CAS#: 916574-83-9
Description: CEP-9722 is a small-molecule prodrug of CEP-8983, a novel 4-methoxy-carbazole inhibitor of the nuclear enzymes poly(ADP-ribose) polymerase (PARP) 1 and 2, with potential antineoplastic activity. Upon administration and conversion from CEP-9722, CEP-8983 selectively binds to PARP 1 and 2, preventing repair of damaged DNA via base excision repair (BER). This agent enhances the accumulation of DNA strand breaks and promotes genomic instability and apoptosis. CEP-8983 may potentiate the cytotoxicity of DNA-damaging agents and reverse tumor cell chemo- and radioresistance.
MedKoo Cat#: 204910
Name: CEP-9722
CAS#: 916574-83-9
Chemical Formula: C24H26N4O3
Exact Mass: 418.20049
Molecular Weight: 418.497
Elemental Analysis: C, 68.88; H, 6.26; N, 13.39; O, 11.47
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Synonym: CEP-9722; CEP 9722; CEP9722;
IUPAC/Chemical Name: 11-methoxy-2-((4-methylpiperazin-1-yl)methyl)-4,5,6,7-tetrahydro-1H-cyclopenta[a]pyrrolo[3,4-c]carbazole-1,3(2H)-dione
InChi Key: CTLOSZHDGZLOQE-UHFFFAOYSA-N
InChi Code: InChI=1S/C24H26N4O3/c1-26-9-11-27(12-10-26)13-28-23(29)18-14-5-3-6-15(14)22-20(21(18)24(28)30)19-16(25-22)7-4-8-17(19)31-2/h4,7-8,25H,3,5-6,9-13H2,1-2H3
SMILES Code: O=C1N(CN2CCN(C)CC2)C(C3=C1C4=C(C5=C3CCC5)NC6=C4C(OC)=CC=C6)=O
Appearance: Solid powder
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, not in water
Shelf Life: >5 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
The following data is based on the product molecular weight 418.497 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: Penning TD. Small-molecule PARP modulators--current status and future therapeutic potential. Curr Opin Drug Discov Devel. 2010 Sep;13(5):577-86. Review. PubMed PMID: 20812149.
It was demonstrated that CEP-8983 sensitized carcinoma cells to the growth-inhibitory effects of temozolomide and/or SN38 increased the fraction of and/or lengthened duration of time tumor cells accumulated in chemotherapy-induced G(2)-M arrest and sensitized tumor cells to chemotherapy-induced DNA damage and apoptosis. A granulocyte-macrophage colony-forming unit colony formation assay showed that coincubation of CEP-8983 with temozolomide or topotecan did not potentiate chemotherapy-associated myelotoxicity. CEP-9722 (136 mg/kg) administered with temozolomide (68 mg/kg for 5 days) or irinotecan (10 mg/kg for 5 days) inhibited significantly the growth of RG2 tumors (60%) or HT29 tumors (80%) compared with temozolomide or irinotecan monotherapy, respectively. In addition, CEP-9722 showed "stand alone" antitumor efficacy in these preclinical xenografts. In vivo biochemical efficacy studies showed that CEP-9722 attenuated PAR accumulation in glioma xenografts in a dose- and time-related manner. These data indicate that CEP-8983 and its prodrug are effective chemosensitizing agents when administered in combination with select chemotherapeutic agents against chemoresistant tumors. (Source: Mol Cancer Ther. 2007 Aug;6(8):2290-302. http://mct.aacrjournals.org/content/6/8/2290.long).
11-methoxy-4,5,6,7-tetrahydro-1H-cyclopenta[a]pyrrolo[3,4-c]carbazole-1,3(2H)-dione
(CEP-8983)
