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Purity: ≥98%
Tarloxotinib bromide (formerly TH-4000; PR-610) is a novel quarternary amine-based and irreversible EGFR/HER2 inhibitor designed as a prodrug to selectively release a covalent (irreversible (covalent)) EGFR tyrosine kinase inhibitor under severe hypoxia, a feature of many solid tumors. Tarloxotinib may be able to reduce or eliminate the systemic side effects of EGFR tyrosine kinase inhibitors that are currently on the market by effectively blocking aberrant EGFR signaling in a tumor-specific manner.
| Targets |
EGFR/HER2
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| References |
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| Molecular Formula |
C24H24BR2CLN9O3
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|---|---|
| Molecular Weight |
681.766860961914
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| Exact Mass |
681.00369
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| Elemental Analysis |
C, 42.28; H, 3.55; Br, 23.44; Cl, 5.20; N, 18.49; O, 7.04
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| CAS # |
1636180-98-7
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| Related CAS # |
1636938-13-0 (cation);1636180-98-7 (bromide);
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| Appearance |
Solid powder
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| SMILES |
CN1C=NC(=C1C[N+](C)(C)C/C=C/C(=O)NC2=NC=C3C(=C2)C(=NC=N3)NC4=CC(=C(C=C4)Cl)Br)[N+](=O)[O-].[Br-]
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| InChi Key |
WAKIMVYUBWMMHJ-FXRZFVDSSA-N
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| InChi Code |
InChI=1S/C24H23BrClN9O3.BrH/c1-33-14-30-24(34(37)38)20(33)12-35(2,3)8-4-5-22(36)32-21-10-16-19(11-27-21)28-13-29-23(16)31-15-6-7-18(26)17(25)9-15;/h4-7,9-11,13-14H,8,12H2,1-3H3,(H-,27,28,29,31,32,36);1H/b5-4+;
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| Chemical Name |
[(E)-4-[[4-(3-bromo-4-chloroanilino)pyrido[3,4-d]pyrimidin-6-yl]amino]-4-oxobut-2-enyl]-dimethyl-[(3-methyl-5-nitroimidazol-4-yl)methyl]azanium;bromide
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| Synonyms |
TH-4000; TH 4000; TH4000; PR-610; PR610; PR 610; Tarloxotinib bromide; Hypoxin; Tarloxotinib
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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: Please store this product in a sealed and protected environment, avoid exposure to moisture. |
| 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: ≥ 33 mg/mL (~48.4 mM)
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|---|---|
| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (3.67 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 (3.67 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. (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 1.4668 mL | 7.3339 mL | 14.6677 mL | |
| 5 mM | 0.2934 mL | 1.4668 mL | 2.9335 mL | |
| 10 mM | 0.1467 mL | 0.7334 mL | 1.4668 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.
| NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
| NCT03805841 | Terminated | Drug: tarloxotinib bromide | NRG1 Fusion ERBB Fusion |
Rain Oncology Inc | March 13, 2019 | Phase 2 |
Products are for research use only; We do not sell to patients
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