CEP-32496BRAF(V600E)inhibitor,highly potent CAS# 1188910-76-0 |
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Quality Control & MSDS
3D structure
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Number of papers citing our products
| Cas No. | 1188910-76-0 | SDF | Download SDF |
| PubChem ID | 56846693 | Appearance | Powder |
| Formula | C24H22F3N5O5 | M.Wt | 517.46 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Synonyms | GTPL7880;CEP32496;CEP32496 | ||
| Solubility | DMSO : 50 mg/mL (96.63 mM; Need ultrasonic) | ||
| Chemical Name | 1-[3-(6,7-dimethoxyquinazolin-4-yl)oxyphenyl]-3-[5-(1,1,1-trifluoro-2-methylpropan-2-yl)-1,2-oxazol-3-yl]urea | ||
| SMILES | CC(C)(C1=CC(=NO1)NC(=O)NC2=CC(=CC=C2)OC3=NC=NC4=CC(=C(C=C43)OC)OC)C(F)(F)F | ||
| Standard InChIKey | DKNUPRMJNUQNHR-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C24H22F3N5O5/c1-23(2,24(25,26)27)19-11-20(32-37-19)31-22(33)30-13-6-5-7-14(8-13)36-21-15-9-17(34-3)18(35-4)10-16(15)28-12-29-21/h5-12H,1-4H3,(H2,30,31,32,33) | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
| Description | CEP-32496 is a highly potent inhibitor of BRAF(V600E/WT) and c-Raf with Kd of 14 nM/36 nM and 39 nM, also potent to Abl-1, c-Kit, Ret, PDGFRβ and VEGFR2, respectively; insignificant affinity for MEK-1, MEK-2, ERK-1 and ERK-2. IC50 value: 14 nM/36 nM(Kd,BRAF(V600E/WT) ); 39 nM (Kd,C-Raf) Target: B-Raf/C-Raf CEP-32496 is a potent BRAF inhibitor in an in vitro binding assay for mutated BRAF(V600E) (K(d) BRAF(V600E) = 14 nM) and in a mitogen-activated protein (MAP)/extracellular signal-regulated (ER) kinase (MEK) phosphorylation (pMEK) inhibition assay in human melanoma (A375) and colorectal cancer (Colo-205) cell lines (IC(50) = 78 and 60 nmol/L). In vitro, CEP-32496 has multikinase binding activity at other cancer targets of interest; however, it exhibits selective cellular cytotoxicity for BRAF(V600E) versus wild-type cells. | |||||
CEP-32496 Dilution Calculator
CEP-32496 Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.9325 mL | 9.6626 mL | 19.3252 mL | 38.6503 mL | 48.3129 mL |
| 5 mM | 0.3865 mL | 1.9325 mL | 3.865 mL | 7.7301 mL | 9.6626 mL |
| 10 mM | 0.1933 mL | 0.9663 mL | 1.9325 mL | 3.865 mL | 4.8313 mL |
| 50 mM | 0.0387 mL | 0.1933 mL | 0.3865 mL | 0.773 mL | 0.9663 mL |
| 100 mM | 0.0193 mL | 0.0966 mL | 0.1933 mL | 0.3865 mL | 0.4831 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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CEP-32496 is a highly potent and orally efficacious V600E mutant BRAF, WT BRAF and c-Raf inhibitor with Kd values of 14 nM, 36 nM and 39 nM, respectively.
In addition to BRAFV600E, CEP-32496 has exhibited high binding affinity for both wild-type BRAF and related CRAF, as well as certain receptor tyrosine kinases of known therapeutic utility, such as Abl-1, c-Kit, Ret, PDGFR-β, and VEGFR-2. However, CEP-32496 proved selective for the RAF members of the MAPK signal transduction pathway, as no significant affinity was observed for other key kinases of the MAPK pathway, including MEK-1, MEK-2, ERK-1, and ERK-2. This suggests that the observed cellular activity was driven primarily through inhibition of BRAFV600E, which is further supported by the observation that CEP-32496 exhibited selective cytotoxicity for tumor cell lines expressing mutant BRAF versus those expressing wild-type BRAF [1].
Oral administration of CEP-32496 to Colo-205 tumor xenograft-bearing mice resulted in significant inhibition of pMEK in tumor cell lysates [1].
References:
[1] Rowbottom MW1, Faraoni R, Chao Q, Campbell BT, Lai AG, Setti E, Ezawa M, Sprankle KG, Abraham S, Tran L, Struss B, Gibney M, Armstrong RC,Gunawardane RN, Nepomuceno RR, Valenta I, Hua H, Gardner MF, Cramer MD, Gitnick D, Insko DE, Apuy JL, Jones-Bolin S, Ghose AK, Herbertz T, Ator MA,Dorsey BD, Ruggeri B, Williams M, Bhagwat S, James J, Holladay MW. Identification of 1-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)-3-(5-(1,1,1-trifluoro-2 -methylpropan- 2-yl) isoxazol-3-yl) urea hydrochloride (CEP-32496), a highly potent and orally efficacious inhibitor of V-RAF murine sarcoma viral oncogene homologue B1 (BRAF) V600E. J Med Chem. 2012 Feb 9;55(3):1082-105. doi: 10.1021/jm2009925. Epub 2012 Jan 23.
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[(11)C-carbonyl]CEP-32496: radiosynthesis, biodistribution and PET study of brain uptake in P-gp/BCRP knockout mice.[Pubmed:24930831]
Bioorg Med Chem Lett. 2014 Aug 1;24(15):3574-7.
CEP-32496 is a novel, orally active serine/threonine-protein kinase B-raf (BRAF) (V600E) kinase inhibitor that is being investigated in clinical trials for the treatment of some cancers in patients. In this study, we developed [(11)C-carbonyl]CEP-32496 as a novel positron emission tomography (PET) probe to study its biodistribution in the whole bodies of mice. [(11)C]CEP-32496 was synthesized by the reaction of 5-(1,1,1-trifluoro-2-methylpropan-2-yl)isoxazol-3-amine hydrochloride (1.HCl) with [(11)C]phosgene, followed by treatment with 3-(6,7-dimethoxyquinozolin-4-yloxy)aniline (2). Small-animal PET studies with [(11)C]CEP-32496 indicated that radioactivity levels (AUC0-90 min, SUVxmin) accumulated in the brains of P-gp/BCRP knockout mice at a 8-fold higher rate than in the brains of wild-type mice.
CEP-32496: a novel orally active BRAF(V600E) inhibitor with selective cellular and in vivo antitumor activity.[Pubmed:22319199]
Mol Cancer Ther. 2012 Apr;11(4):930-41.
Mutations in the BRAF gene have been identified in approximately 7% of cancers, including 60% to 70% of melanomas, 29% to 83% of papillary thyroid carcinomas, 4% to 16% colorectal cancers, and a lesser extent in serous ovarian and non-small cell lung cancers. The V600E mutation is found in the vast majority of cases and is an activating mutation, conferring transforming and immortalization potential to cells. CEP-32496 is a potent BRAF inhibitor in an in vitro binding assay for mutated BRAF(V600E) (K(d) BRAF(V600E) = 14 nmol/L) and in a mitogen-activated protein (MAP)/extracellular signal-regulated (ER) kinase (MEK) phosphorylation (pMEK) inhibition assay in human melanoma (A375) and colorectal cancer (Colo-205) cell lines (IC(50) = 78 and 60 nmol/L). In vitro, CEP-32496 has multikinase binding activity at other cancer targets of interest; however, it exhibits selective cellular cytotoxicity for BRAF(V600E) versus wild-type cells. CEP-32496 is orally bioavailable in multiple preclinical species (>95% in rats, dogs, and monkeys) and has single oral dose pharmacodynamic inhibition (10-55 mg/kg) of both pMEK and pERK in BRAF(V600E) colon carcinoma xenografts in nude mice. Sustained tumor stasis and regressions are observed with oral administration (30-100 mg/kg twice daily) against BRAF(V600E) melanoma and colon carcinoma xenografts, with no adverse effects. Little or no epithelial hyperplasia was observed in rodents and primates with prolonged oral administration and sustained exposure. CEP-32496 benchmarks favorably with respect to other kinase inhibitors, including RAF-265 (phase I), sorafenib, (approved), and vemurafenib (PLX4032/RG7204, approved). CEP-32496 represents a novel and pharmacologically active BRAF inhibitor with a favorable side effect profile currently in clinical development.
Identification of 1-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)-3-(5-(1,1,1-trifluoro-2-methylpropa n-2-yl)isoxazol-3-yl)urea hydrochloride (CEP-32496), a highly potent and orally efficacious inhibitor of V-RAF murine sarcoma viral oncogene homologue B1 (BRAF) V600E.[Pubmed:22168626]
J Med Chem. 2012 Feb 9;55(3):1082-105.
The Ras/RAF/MEK/ERK mitogen-activated protein kinase (MAPK) signaling pathway plays a central role in the regulation of cell growth, differentiation, and survival. Expression of mutant BRAF(V600E) results in constitutive activation of the MAPK pathway, which can lead to uncontrolled cellular growth. Herein, we describe an SAR optimization campaign around a series of quinazoline derived BRAF(V600E) inhibitors. In particular, the bioisosteric replacement of a metabolically sensitive tert-butyl group with fluorinated alkyl moieties is described. This effort led directly to the identification of a clinical candidate, compound 40 (CEP-32496). Compound 40 exhibits high potency against several BRAF(V600E)-dependent cell lines and selective cytotoxicity for tumor cell lines expressing mutant BRAF(V600E) versus those containing wild-type BRAF. Compound 40 also exhibits an excellent PK profile across multiple preclinical species. In addition, significant oral efficacy was observed in a 14-day BRAF(V600E)-dependent human Colo-205 tumor xenograft mouse model, upon dosing at 30 and 100 mg/kg BID.
