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| Other Sizes |
| Targets |
3-Amino-5-bromopyridine does not have a defined primary pharmacological target as it is primarily a chemical reagent and synthetic intermediate. In medicinal chemistry, the compound serves as a building block for constructing aminopyridine-containing drug candidates that may target various enzymes, receptors, and other proteins. The amino group provides a handle for hydrogen bonding and further derivatization, while the bromine atom enables cross-coupling reactions such as Suzuki-Miyaura, Sonogashira, and Buchwald-Hartwig couplings. The aminopyridine scaffold is a common motif in many pharmacologically active compounds, including kinase inhibitors, antimicrobial agents, and central nervous system-active compounds.
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| ln Vitro |
In vitro activity of 3-Amino-5-bromopyridine as a standalone compound is not typically evaluated, as its primary role is as a synthetic intermediate. The compound's biological activity would be assessed through the final drug molecules synthesized from this building block. In biochemical research, the compound may be used as a reference or as a starting material for generating compound libraries. The aminopyridine scaffold is known to be present in various pharmacologically active compounds, and the bromine substituent provides a handle for introducing diverse functional groups to optimize biological activity and drug-like properties.
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| ln Vivo |
In vivo activity data for 3-Amino-5-bromopyridine are not available, as the compound is not intended for direct administration as a therapeutic agent. It is classified as a biochemical reagent and organic synthesis intermediate. Any in vivo effects would be associated with the final drug products synthesized from this intermediate rather than the compound itself. The compound's role in drug discovery is to enable the synthesis of complex molecular scaffolds that can be evaluated in animal models of disease. Researchers handling this compound should follow appropriate safety protocols for chemical handling in laboratory settings.
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| Enzyme Assay |
In vitro enzyme or receptor binding assays for 3-Amino-5-bromopyridine are not standard, as the compound is a chemical reagent rather than a drug candidate. If evaluated as a potential ligand, typical binding assays might involve radioligand displacement or surface plasmon resonance techniques. For enzyme inhibition studies, purified enzyme is incubated with varying concentrations of the compound in appropriate buffer systems. However, such studies are more commonly performed on the final pharmaceutical compounds derived from this building block rather than on the intermediate itself. The compound may serve as a reference or control in certain biochemical experiments.
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| Cell Assay |
Cell-based in vitro experiments using 3-Amino-5-bromopyridine are not typically performed, as the compound is a research chemical and synthetic intermediate. When used in cell biology research, the compound might be incorporated into larger molecules that are then tested on cultured cell lines. Standard cell culture protocols would involve seeding cells in appropriate media at 37°C in a 5% CO₂ atmosphere, treating with test compounds at various concentrations, and assessing cell viability, proliferation, or other endpoints using standard assays. The compound's solvent compatibility (typically DMSO) and potential cytotoxicity should be considered. The compound should be kept away from direct sunlight.
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| Animal Protocol |
In vivo animal studies are not conducted with 3-Amino-5-bromopyridine itself, as it is a chemical reagent rather than a therapeutic agent. The compound is utilized in the synthesis of drug candidates that may subsequently be evaluated in animal models. Typical in vivo protocols for drug candidates synthesized from this building block would involve administration via oral gavage, intravenous injection, or intraperitoneal injection to rodents at various dose levels. Pharmacodynamic endpoints, pharmacokinetic sampling, and toxicological assessments would be performed according to the specific research objectives. All animal studies must be conducted in accordance with institutional guidelines.
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| ADME/Pharmacokinetics |
Pharmacokinetic properties of 3-Amino-5-bromopyridine have not been characterized, as the compound is a chemical reagent for research use. As a small heterocyclic molecule with molecular weight 173.01 g/mol, it would be expected to have moderate aqueous solubility. The amino group would be protonated at physiological pH, potentially affecting absorption and distribution. The bromine atom may influence metabolic pathways. The compound's LogP is estimated to be around 1.0–1.5, indicating moderate hydrophilicity. However, these properties are not studied for the compound itself, as it is not developed as a pharmaceutical. For drug discovery applications, the pharmacokinetic profile would be optimized at the final drug candidate stage.
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| Toxicity/Toxicokinetics |
Toxicological data for 3-Amino-5-bromopyridine are limited, as the compound is handled as a research chemical in laboratory environments. Standard safety precautions should be followed, including the use of appropriate personal protective equipment such as gloves, goggles, and lab coats. The compound may cause irritation to skin, eyes, and respiratory tract upon exposure. Inhalation of dust should be avoided, and adequate ventilation should be ensured. The compound should be kept away from direct sunlight. In case of contact, affected areas should be rinsed with plenty of water. The compound should be stored in a cool, dry place away from strong oxidizing agents. Comprehensive toxicological studies have not been reported.
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| Additional Infomation |
3-Amino-5-bromopyridine is a chemical research tool and synthetic intermediate rather than an approved pharmaceutical drug. Its primary applications are in organic synthesis and drug discovery, where it serves as a versatile building block for constructing aminopyridine-containing compounds. The aminopyridine scaffold is a common motif in kinase inhibitors, antimicrobial agents, and central nervous system-active compounds. The bromine substituent enables further functionalization through cross-coupling reactions, allowing for the synthesis of diverse compound libraries. No clinical trials or regulatory approvals have been documented for this compound as a therapeutic agent. The compound is commercially available as a research-grade chemical, supplied for laboratory synthesis and biochemical research.
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| Molecular Formula |
C5H5BRN2
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|---|---|
| Molecular Weight |
173.01
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| Exact Mass |
171.963
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| CAS # |
13535-01-8
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| PubChem CID |
817681
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| Appearance |
Light yellow to brown solid powder
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| Density |
1.7±0.1 g/cm3
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| Boiling Point |
287.6±20.0 °C at 760 mmHg
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| Melting Point |
65-69 °C
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| Flash Point |
127.7±21.8 °C
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| Vapour Pressure |
0.0±0.6 mmHg at 25°C
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| Index of Refraction |
1.636
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| LogP |
1.4
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| Hydrogen Bond Donor Count |
1
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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 |
76.8
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| Defined Atom Stereocenter Count |
0
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| SMILES |
BrC1=C([H])N=C([H])C(=C1[H])N([H])[H]
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| InChi Key |
MDQXGHBCDCOOSM-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C5H5BrN2/c6-4-1-5(7)3-8-2-4/h1-3H,7H2
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| Chemical Name |
5-bromopyridin-3-amine
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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) |
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 | 5.7800 mL | 28.9001 mL | 57.8001 mL | |
| 5 mM | 1.1560 mL | 5.7800 mL | 11.5600 mL | |
| 10 mM | 0.5780 mL | 2.8900 mL | 5.7800 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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