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| Other Sizes |
| Targets |
5-Bromo-2-fluoropyridine does not have a defined pharmacological target as it is a synthetic intermediate and building block. The compound is used in the synthesis of heteroaromatic and aniline derivatives of piperidines as potent ligands used for vesicular acetylcholine transport. It is also used in the synthesis of benzofurano[3,2-d]pyrimidin-2-one derivatives. Its primary function is as a building block for pharmaceutical synthesis.
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| ln Vitro |
No specific in vitro pharmacological activity data are available for 5-Bromo-2-fluoropyridine as it is a synthetic intermediate. In research settings, the compound is used as a building block for synthesizing libraries of fluorinated pyridine-based compounds that are subsequently screened for biological activity. Its activity is assessed in terms of synthetic utility and reactivity rather than direct biological activity. The compound is used in the synthesis of vesicular acetylcholine transport ligands.
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| ln Vivo |
No specific in vivo pharmacological activity data have been documented for 5-Bromo-2-fluoropyridine as a therapeutic agent. The compound is used in chemical synthesis and is not administered directly to animals. Its derivatives, including vesicular acetylcholine transport ligands, may be evaluated in animal models depending on the therapeutic area.
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| Enzyme Assay |
For non-cellular assays, 5-Bromo-2-fluoropyridine is characterized by standard analytical techniques including GC, HPLC, NMR, and mass spectrometry to confirm identity and purity. Purity is ≥98.0% by GC. The compound has a molecular weight of 175.99 and molecular formula C₅H₃BrFN. Boiling point: 162-164°C at 750 mmHg. Density: 1.71 g/mL at 25°C. Refractive index: n20/D 1.5325. Storage: room temperature.
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| Cell Assay |
For in vitro cell-based studies, 5-Bromo-2-fluoropyridine is not typically used as a direct test compound. It is a building block for synthesizing biologically active molecules that are subsequently tested in cell-based assays. If handled in a biological laboratory context, standard safety precautions should be taken. The compound is a liquid at room temperature.
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| Animal Protocol |
For in vivo animal studies, 5-Bromo-2-fluoropyridine can be formulated using standard injection vehicles. The compound is a liquid at room temperature. Dosing solutions should be freshly prepared and administered according to specific protocols with appropriate control groups. Standard handling procedures for halogenated pyridines should be followed.
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| ADME/Pharmacokinetics |
5-Bromo-2-fluoropyridine has a molecular weight of 175.99 and molecular formula C₅H₃BrFN. It appears as a colorless to light yellow to light orange clear liquid with a boiling point of 162-164°C at 750 mmHg, density of 1.71 g/mL at 25°C, and refractive index of n20/D 1.5325. Purity: ≥98.0% by GC. Storage: room temperature.
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| Toxicity/Toxicokinetics |
5-Bromo-2-fluoropyridine is for research use only and not for human consumption. Standard laboratory safety practices should be followed when handling this chemical. Halogenated compounds should be handled with care. The compound is a flammable liquid and should be kept away from sources of ignition. Appropriate personal protective equipment including gloves and safety glasses should be worn. Specific LD₅₀ values and detailed toxicological profiles have not been extensively reported.
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| Additional Infomation |
Structure in the first source
5-Bromo-2-fluoropyridine (CAS 766-11-0) is also known as 2-fluoro-5-bromopyridine. It is used in the synthesis of heteroaromatic and aniline derivatives of piperidines as potent ligands used for vesicular acetylcholine transport. It is also used in the synthesis of benzofurano[3,2-d]pyrimidin-2-one derivatives. No clinical trials or therapeutic approvals exist for this compound. |
| Molecular Formula |
C5H3BRFN
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|---|---|
| Molecular Weight |
175.9864
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| Exact Mass |
174.943
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| CAS # |
766-11-0
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| PubChem CID |
2783168
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| Appearance |
Colorless to light yellow liquid（Density：1.71 g/cm3）
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| Density |
1.7±0.1 g/cm3
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| Boiling Point |
178.0±20.0 °C at 760 mmHg
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| Flash Point |
61.4±21.8 °C
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| Vapour Pressure |
1.4±0.3 mmHg at 25°C
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| Index of Refraction |
1.534
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| LogP |
2
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| Hydrogen Bond Donor Count |
0
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| Hydrogen Bond Acceptor Count |
2
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| Rotatable Bond Count |
0
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| Heavy Atom Count |
8
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| Complexity |
78.8
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| Defined Atom Stereocenter Count |
0
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| SMILES |
C1=CC(=NC=C1Br)F
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| InChi Key |
MYUQKYGWKHTRPG-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C5H3BrFN/c6-4-1-2-5(7)8-3-4/h1-3H
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| Chemical Name |
5-bromo-2-fluoropyridine
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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) |
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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| Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 5.6821 mL | 28.4107 mL | 56.8214 mL | |
| 5 mM | 1.1364 mL | 5.6821 mL | 11.3643 mL | |
| 10 mM | 0.5682 mL | 2.8411 mL | 5.6821 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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