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2-Amino-3-bromo-5-fluoropyridine (3-Bromo-5-fluoro-2-pyridinamine)

Cat No.:V65461 Purity: ≥98%
2-Amino-3-bromo-5-fluoropyridine is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
2-Amino-3-bromo-5-fluoropyridine (3-Bromo-5-fluoro-2-pyridinamine)
2-Amino-3-bromo-5-fluoropyridine (3-Bromo-5-fluoro-2-pyridinamine) Chemical Structure CAS No.: 869557-43-7
Product category: Biochemical Assay Reagents
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
2-Amino-3-bromo-5-fluoropyridine is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
2-Amino-3-bromo-5-fluoropyridine (3-Bromo-5-fluoropyridin-2-amine, CAS 869557-43-7) is a biochemical reagent and organic compound used in life science research. It is a heterocyclic building block comprising a pyridine core substituted with an amino group at the 2-position, a bromine at the 3-position, and a fluorine at the 5-position. The compound has a molecular weight of 191.00 g/mol and the formula C₅H₄BrFN₂. It appears as a brown crystalline powder and is stored at room temperature in a cool, dark place. It is a reactant used in the synthesis of cyano heteroaryl bromides.
Biological Activity I Assay Protocols (From Reference)
Targets
2-Amino-3-bromo-5-fluoropyridine is a reactant used in the synthesis of cyano heteroaryl bromides. It has been used in the synthesis of OGA inhibitor compounds and azaheteroaryl compounds. As a synthetic intermediate, it does not have specific biological targets. The compound's halogenated aminopyridine scaffold allows for further functionalization via cross-coupling reactions. The amino group can be used for amide formation or other derivatizations. The bromine and fluorine substituents provide handles for further chemical modifications and influence the compound's electronic properties.
ln Vitro
In vitro, 2-amino-3-bromo-5-fluoropyridine is used as a biochemical reagent and organic compound for life science research. It is a reactant used in the synthesis of cyano heteroaryl bromides. The compound has been used in the synthesis of OGA inhibitor compounds and azaheteroaryl compounds. Cellular assays are typically performed on the final compounds synthesized from this building block. The compound's halogenated structure allows for various chemical transformations, making it valuable for drug discovery and chemical synthesis.
ln Vivo
In vivo data for 2-amino-3-bromo-5-fluoropyridine is limited, as it is primarily a research reagent and synthetic intermediate. The compound is classified for research use only and is not intended for human or veterinary applications. However, OGA inhibitors and other bioactive compounds synthesized using this building block have been investigated for their therapeutic potential. The compound's primary value lies in its use as a synthetic intermediate for preparing compounds that may subsequently be evaluated in animal models. Specific in vivo data for the parent compound is not available.
Enzyme Assay
In vitro enzyme assays for 2-amino-3-bromo-5-fluoropyridine are not typically performed, as it is a synthetic intermediate. The compound is used as a building block in the synthesis of OGA inhibitors and other bioactive compounds. A typical assay involves using the compound in chemical reactions to prepare final compounds. The compound is dissolved in organic solvents such as DMSO or THF. Enzyme inhibition assays with purified OGA or other targets can be performed to evaluate the activity of the final synthesized compounds. IC₅₀ values are calculated from dose-response curves.
Cell Assay
Cellular assays for 2-amino-3-bromo-5-fluoropyridine derivatives typically evaluate their biological activity. A standard protocol involves culturing appropriate cell lines in growth medium at 37°C with 5% CO₂. Cells are treated with varying concentrations of synthesized compounds for 24-72 hours. Cell viability is assessed using MTT, CCK-8, or SRB assays. For OGA inhibitors, O-GlcNAc levels are measured by Western blot or ELISA. For other targets, appropriate readouts are used. IC₅₀ values are calculated from dose-response curves.
Animal Protocol
In vivo animal studies for 2-amino-3-bromo-5-fluoropyridine are not standard, as it is a synthetic intermediate rather than a therapeutic candidate. The compound is classified for research use only and is not intended for human or veterinary applications. Any animal studies would typically be conducted on the final OGA inhibitors or other compounds synthesized using this building block. These studies would evaluate efficacy, pharmacokinetics, and safety in appropriate animal models. The compound's primary value lies in its use as a synthetic intermediate.
ADME/Pharmacokinetics
Pharmacokinetic data for 2-amino-3-bromo-5-fluoropyridine is limited, as it is primarily a research reagent. The compound has a molecular weight of 191.00 g/mol and a molecular formula of C₅H₄BrFN₂. It is a solid at room temperature with a boiling point of 220°C at 760 mmHg and a density of 1.813 g/cm³. It has a LogP of 2.15 and is stored at room temperature in a cool, dark place. As a halogenated aminopyridine, it may undergo metabolic dehalogenation and oxidation. Specific ADME data is not available.
Toxicity/Toxicokinetics
2-Amino-3-bromo-5-fluoropyridine is classified as a dangerous substance with signal word "Danger". Hazard statements include H302 (harmful if swallowed), H315 (causes skin irritation), H318 (causes serious eye damage), and H335 (may cause respiratory irritation). Precautionary statements include P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501. The compound should be stored in a dry, cool place away from incompatible materials.
Additional Infomation
2-Amino-3-bromo-5-fluoropyridine (3-Bromo-5-fluoropyridin-2-amine, CAS 869557-43-7) is a biochemical reagent with the molecular formula C₅H₄BrFN₂. It is a reactant used in the synthesis of cyano heteroaryl bromides and OGA inhibitor compounds. The compound is classified as a research-use-only compound not intended for diagnostic or therapeutic purposes. It is available from multiple commercial suppliers in various pack sizes. No clinical trials or approved drug status exist for this compound as it is not a therapeutic agent.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C5H4BRFN2
Molecular Weight
191.00
Exact Mass
189.954
CAS #
869557-43-7
PubChem CID
16126434
Appearance
White to light brown solid powder
Density
1.8±0.1 g/cm3
Boiling Point
220.0±35.0 °C at 760 mmHg
Melting Point
61-63ºC
Flash Point
86.8±25.9 °C
Vapour Pressure
0.1±0.4 mmHg at 25°C
Index of Refraction
1.605
LogP
2.32
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
0
Heavy Atom Count
9
Complexity
101
Defined Atom Stereocenter Count
0
SMILES
BrC1=CC(=CN=C1N)F
InChi Key
KXSQMCRVUAALNE-UHFFFAOYSA-N
InChi Code
InChI=1S/C5H4BrFN2/c6-4-1-3(7)2-9-5(4)8/h1-2H,(H2,8,9)
Chemical Name
3-bromo-5-fluoropyridin-2-amine
HS Tariff Code
2934.99.9001
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)
Solubility Data
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
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
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*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 : PEG300Tween 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).
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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)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL 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).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 5.2356 mL 26.1780 mL 52.3560 mL
5 mM 1.0471 mL 5.2356 mL 10.4712 mL
10 mM 0.5236 mL 2.6178 mL 5.2356 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.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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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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