24(S),25-epoxy Cholesterol
24(S),25-epoxy Cholesterol
24(S),25-epoxy Cholesterol is an oxysterol and the most abundant oxysterol in mouse ventral midbrain.{43943} It activates liver X receptors (LXRs)...
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DNA topoisomerases relax supercoiled DNA during replication, transcription, recombination, repair, and chromosome condensation. The relaxation of DNA supercoiling by topoisomerase I at single-strand breaks represents a target for anticancer agents to intercalate between DNA base pairs, leading to the activation of apoptotic and cell cycle arrest pathways.{21116} (S)-10-hydroxy-Camptothecin is an inhibitor of topoisomerase I originally isolated from the Chinese tree C. acuminata. It is a member of the camptothecin family that demonstrates less toxicity than its parent compound.{23556} (S)-10-hydroxy-Camptothecin has strong anti-tumor activity against a wide range of experimental tumors including L1210 leukemia cells (IC50 = 1.15 ?M).{23556} In vitro treatment of human HepG2 cells with 5-20 ?M (S)-10-hydroxy-camptothecin results in cell cycle arrest at the G2/M phase.{23557}
Territorial Availability: Available through Bertin Technologies only in France
| Size | 100 mg, 25 mg, 50 mg, 500 mg |
|---|---|
| Shipping | dry ice |
| CAS number | 19685-09-7 |
| Molecular formula | C20H16N2O5 |
| Smiles | O=C([C@]1(O)CC)OCC2=C1C=C(C(N=C(C=CC(O)=C3)C3=C4)=C4C5)N5C2=O |
| Molecular weight | 364,4 |
| Custom code | 2907.19 |
| Formulation | A crystalline solid |
| Purity | ≥98% |
| UNSPSC code | 12352100 |
Cayman Chemical’s mission is to help make research possible by supplying scientists worldwide with the basic research tools necessary for advancing human and animal health. Our utmost commitment to healthcare researchers is to offer the highest quality products with an affordable pricing policy.
Our scientists are experts in the synthesis, purification, and characterization of biochemicals ranging from small drug-like heterocycles to complex biolipids, fatty acids, and many others. We are also highly skilled in all aspects of assay and antibody development, protein expression, crystallization, and structure determination.
Over the past thirty years, Cayman developed a deep knowledge base in lipid biochemistry, including research involving the arachidonic acid cascade, inositol phosphates, and cannabinoids. This knowledge enabled the production of reagents of exceptional quality for cancer, oxidative injury, epigenetics, neuroscience, inflammation, metabolism, and many additional lines of research.
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Cayman is a leader in the field of emerging drugs of abuse, providing high-purity Schedule I-V Controlled Substances to federally-licensed laboratories and qualified academic research institutions for forensic analyses. We are certified by ACLASS Accreditation Services with dual accreditation to ISO/IEC 17025:2005 and ISO Guide 34:2009.
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