Size | Price | Stock | Qty |
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2mg |
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5mg |
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10mg |
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25mg |
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50mg |
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Other Sizes |
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Purity: ≥98%
CA-170 (also known as AUPM170 or PD-1-IN-1) is a first-in-class, potent and orally available small molecule inhibitor of the immune checkpoint regulatory proteins PD-L1 (programmed cell death ligand-1), PD-L2 and VISTA (V-domain immunoglobulin (Ig) suppressor of T-cell activation (programmed death 1 homolog; PD-1H). CA-170 was discovered by Curis Inc. and has potential antineoplastic activities. CA-170 selectively targets PD-L1 and VISTA, both of which function as negative checkpoint regulators of immune activation. Curis is currently investigating CA-170 for the treatment of advanced solid tumours and lymphomas in patients in a Phase 1 trial (ClinicalTrials.gov Identifier: NCT02812875).
ln Vitro |
In addition to demonstrating selectivity against other immune checkpoint proteins and a wide range of receptors and enzymes, CA-170 has strong functional activity in restoring T-cell proliferation and effector functions[2].
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ln Vivo |
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Animal Protocol |
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References |
[1]. Pottayil Govindan Nair Sasikumar, et al. 1,2,4-oxadiazole derivatives as immunomodulators. WO2015033299A1.
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Molecular Formula |
C12H20N6O7
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Molecular Weight |
360.33
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CAS # |
1673534-76-3
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Related CAS # |
PD-1-IN-20
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SMILES |
C[C@@H](O)[C@@H](C(O)=O)NC(N[ C@H](C1=NC([C@@H](N)CO)=NO1)CC(N)=O)=O
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Chemical Name |
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Synonyms |
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Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
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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) |
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Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.94 mM) (saturation unknown) in 5% DMSO + 40% PEG300 + 5% Tween80 + 50% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
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 (6.94 mM) (saturation unknown) in 5% DMSO + 95% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution. 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. View More
Solubility in Formulation 3: ≥ 0.5 mg/mL (1.39 mM) (saturation unknown) in 1% DMSO 99% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution. |
Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
1 mM | 2.7752 mL | 13.8762 mL | 27.7523 mL | |
5 mM | 0.5550 mL | 2.7752 mL | 5.5505 mL | |
10 mM | 0.2775 mL | 1.3876 mL | 2.7752 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.