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5mg |
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10mg |
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25mg |
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50mg |
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100mg |
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Purity: ≥98%
PCI-33380 is a novel and irreversible Bruton's Tyrosine Kinase (BTK) inhibitor that was designed based on the ibrutinib scaffold in combination with a fluorescent probe, and has been used in both cellular and in vivo studies that demonstrated the connection between the inhibitor binding event and phenotypic readouts of cellular responses due to the inhibition of Btk functions. The right drug dosage for patients has been determined in large part by the use of fluorescent probes in clinical trials.
Targets |
BTK
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ln Vitro |
PCI-33380 bound to Btk could be found using fluorescent gel scanning and denaturing gel electrophoresis[2].
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Cell Assay |
Cell Line: Human B cells.
Concentration: 2 μM. Incubation Time: 1 h. Result: Found that 10 nM of PCI-32765 was sufficient to fully occupy the active site of Btk in primary B cells in culture by using the fluorescently tagged derivative PCI-33380. |
References |
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Molecular Formula |
C46H52BF2N11O3
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Molecular Weight |
855.800
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Exact Mass |
855.43
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Elemental Analysis |
C, 64.56; H, 6.12; B, 1.26; F, 4.44; N, 18.00; O, 5.61
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CAS # |
1022899-36-0
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Related CAS # |
1022899-36-0
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Appearance |
Dark-red to brown-red solid powder
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SMILES |
[B-]1(N2C(=CC(=C2C=C3[N+]1=C(C=C3)CCC(=O)NCCN4CCN(CC4)C/C=C/C(=O)N5CCCC(C5)N6C7=NC=NC(=C7C(=N6)C8=CC=C(C=C8)OC9=CC=CC=C9)N)C)C)(F)F
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InChi Key |
YUGFMNZIROEBNV-YRNVUSSQSA-N
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InChi Code |
InChI=1S/C46H52BF2N11O3/c1-32-28-33(2)58-40(32)29-36-15-14-35(59(36)47(58,48)49)16-19-41(61)51-20-23-56-26-24-55(25-27-56)21-7-11-42(62)57-22-6-8-37(30-57)60-46-43(45(50)52-31-53-46)44(54-60)34-12-17-39(18-13-34)63-38-9-4-3-5-10-38/h3-5,7,9-15,17-18,28-29,31,37H,6,8,16,19-27,30H2,1-2H3,(H,51,61)(H2,50,52,53)/b11-7+
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Chemical Name |
N-[2-[4-[(E)-4-[3-[4-amino-3-(4-phenoxyphenyl)pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-4-oxobut-2-enyl]piperazin-1-yl]ethyl]-3-(2,2-difluoro-10,12-dimethyl-1-aza-3-azonia-2-boranuidatricyclo[7.3.0.03,7]dodeca-3,5,7,9,11-pentaen-4-yl)propanamide
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Synonyms |
PCI-33380; PCI 33380; PCI33380; BMS 790052; BMS-790052; BMS790052; EBP 883; EBP-883; EBP883
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HS Tariff Code |
2934.99.9001
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Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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Solubility (In Vitro) |
DMSO: ≥ 50 mg/mL (~58.4 mM)
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Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (2.92 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 2.5 mg/mL (2.92 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.  (Please use freshly prepared in vivo formulations for optimal results.) |
Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
1 mM | 1.1685 mL | 5.8425 mL | 11.6850 mL | |
5 mM | 0.2337 mL | 1.1685 mL | 2.3370 mL | |
10 mM | 0.1168 mL | 0.5842 mL | 1.1685 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration: mg/mL;
Method for preparing DMSO stock solution: mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation::Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
Chemical structure of Btk inhibitors. Chemical structures of the irreversible Btk inhibitor PCI-32765, the irreversible Btk inhibitor PCI-33380 (probe), and the reversible Btk inhibitor PCI-29732. Proc Natl Acad Sci U S A . 2010 Jul 20;107(29):13075-80. td> |
Selective irreversible targeting of Btk. (A–E) (Upper) Fluorescent gel scans of lysates from cells that were incubated with the affinity probe PCI-33380. Proc Natl Acad Sci U S A . 2010 Jul 20;107(29):13075-80 td> |
Orally-dosed PCI-32765 leads to sustained occupancy of Btk in dogs with lymphoma. PBMCs and biopsy specimens from affected lymph nodes (LN) were collected from dogs (Table 1) treated with PCI-32765 (oral capsule formulation). Tissue samples were then treated with PCI-33380 to determine Btk occupancy by PCI-32765. Shown are predose (P), 4 h, 24 h, and predose d 7 occupancy data for all available week 1 samples in the study. Proc Natl Acad Sci U S A . 2010 Jul 20;107(29):13075-80 td> |