| Size | Price | Stock | Qty |
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| ln Vitro |
OBBI-3424 exhibits strong cytotoxicity against the H460 lung cancer cell line with an IC50 of 4.0 nM. OBI-3424 has strong cytotoxicity, with IC50 values in the low nM range, especially against T-ALL cell lines that express high levels of AKR1C3 [1]. Strong cell killing is also exerted by OBI-3424 against ALL PDXs; the median IC50 values for B-ALL, T-ALL, and ETP-ALL were 60.3 nM, 9.7 nM, and 31.5 nM, respectively[1].
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| ln Vivo |
Treatment with OBI-3424 (0.5-2.5 mg/kg; ip; once weekly; for 3 weeks) causes regressions in mice with Parkinson's disease and prolongs the event-free lifespan of the mice[1].
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| Animal Protocol |
Animal/Disease Models: Female NSG mice (20-25 g) bearing patient-derived xenografts (PDX)[1]
Doses: 0.5 mg/kg, 1 mg/kg, 2.5 mg/kg Route of Administration: intraperitoneal (ip)injection ; once weekly; for 3 weeks Experimental Results: Resulted in prolongation of mouse event-free survival. |
| References |
[1]. Kathryn Evans, et al. OBI-3424, a Novel AKR1C3-Activated Prodrug, Exhibits Potent Efficacy against Preclinical Models of T-ALL. Clin Cancer Res. 2019 Jul 15;25(14):4493-4503.
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| Molecular Formula |
C21H25N4O6P
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|---|---|
| Molecular Weight |
460.42
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| Exact Mass |
460.15
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| Elemental Analysis |
C, 54.78; H, 5.47; N, 12.17; O, 20.85; P, 6.73
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| CAS # |
2097713-68-1
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| Appearance |
Solid powder
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| SMILES |
C[C@H](C1=CC(=C(C=C1)[N+](=O)[O-])OC2=CC=CC(=C2)C(=O)N(C)C)OP(=O)(N3CC3)N4CC4
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| InChi Key |
NWGZZGNICQFUHV-OAHLLOKOSA-N
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| InChi Code |
InChI=1S/C21H25N4O6P/c1-15(31-32(29,23-9-10-23)24-11-12-24)16-7-8-19(25(27)28)20(14-16)30-18-6-4-5-17(13-18)21(26)22(2)3/h4-8,13-15H,9-12H2,1-3H3/t15-/m1/s1
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| Chemical Name |
3-[5-[(1R)-1-[bis(aziridin-1-yl)phosphoryloxy]ethyl]-2-nitrophenoxy]-N,N-dimethylbenzamide
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| Synonyms |
AST 3424; AST-3424; AST3424; OBI 3424; OBI3424; OBI-3424
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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 Note: This product requires protection from light (avoid light exposure) during transportation and storage. |
| 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 (~108.6 mM)
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 5 mg/mL (10.86 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 50.0 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 (5.43 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. View More
Solubility in Formulation 3: ≥ 2.5 mg/mL (5.43 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 | 2.1719 mL | 10.8596 mL | 21.7193 mL | |
| 5 mM | 0.4344 mL | 2.1719 mL | 4.3439 mL | |
| 10 mM | 0.2172 mL | 1.0860 mL | 2.1719 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.
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