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4-Bromopicolinic acid

Cat No.:V68818 Purity: ≥98%
4-Bromopicolinic acid is a biochemical compound that could be utilized as a biomaterial or organic/chemical reagent for biomedical research.
4-Bromopicolinic acid
4-Bromopicolinic acid Chemical Structure CAS No.: 30766-03-1
Product category: Biochemical Assay Reagents
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
25g
Other Sizes
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Product Description
4-Bromopicolinic acid is a biochemical compound that could be utilized as a biomaterial or organic/chemical reagent for biomedical research.
4-Bromopicolinic acid (CAS 30766-03-1) is a halogenated pyridinecarboxylic acid with molecular formula C₆H₄BrNO₂ and molecular weight 202.01 g/mol. It appears as a white powder with a melting point of 172-173°C and is a useful synthetic intermediate. This compound serves as a biochemical reagent that can be utilized as a biomaterial or organic/chemical reagent for biomedical research.
Biological Activity I Assay Protocols (From Reference)
Targets
4-Bromopicolinic acid does not have a defined pharmacological target of its own, as it is primarily a synthetic intermediate. It serves as an intermediary in the industries of colors, medicines, and insecticides. The compound is used as a building block for the synthesis of more complex molecules that may target specific enzymes or receptors in pharmaceutical development.
ln Vitro
4-Bromopicolinic acid is a helpful artificial substitute. In the industries of colors, medicines, and insecticides, it serves as an intermediary as well.
In vitro, 4-bromopicolinic acid is primarily used as a chemical reagent and synthetic intermediate. It is employed in the synthesis of various pharmaceutical compounds that are subsequently tested in in vitro assays. As a halogenated pyridinecarboxylic acid, it is a common building block for the construction of drug-like molecules through cross-coupling and other synthetic transformations in medicinal chemistry workflows.
ln Vivo
In vivo activity data for 4-bromopicolinic acid itself are not available, as the compound is not intended for direct in vivo administration. Rather, it is a precursor used in the synthesis of drug candidates that are subsequently evaluated in animal models. The compound's in vivo relevance is indirect, through the biological activities of the final pharmaceutical compounds derived from it.
Enzyme Assay
For in vitro enzyme/receptor binding studies, 4-bromopicolinic acid is not typically evaluated as a test compound itself. Instead, it serves as a reagent for the synthesis of test compounds. The compound's properties include a molecular weight of 202.01 g/mol and a melting point of 172-173°C. The bromine atom provides a versatile handle for cross-coupling reactions in medicinal chemistry.
Cell Assay
For in vitro cell-based experiments, 4-bromopicolinic acid is used as an intermediate in the synthesis of compounds that are tested in cell viability, proliferation, and cytotoxicity assays. The compound itself is not typically evaluated in cell-based assays. Standard cell culture protocols for test compounds synthesized from this intermediate involve dissolving the final product in DMSO and diluting to working concentrations in appropriate cell culture medium.
Animal Protocol
In vivo animal studies using 4-bromopicolinic acid are conducted on the final drug compounds synthesized from it, not on the intermediate itself. For pharmaceutical candidates derived from this building block, efficacy studies would typically be performed in mouse models of the relevant disease. Standard in vivo protocols involve administration to rodents via oral gavage or intraperitoneal injection, with appropriate pharmacokinetic and pharmacodynamic endpoints.
ADME/Pharmacokinetics
Pharmacokinetic properties of 4-bromopicolinic acid as a standalone compound are not characterized in the literature. The compound has a molecular weight of 202.01 g/mol, which is within the favorable range for oral bioavailability. The carboxylic acid group may influence water solubility and ionization state at physiological pH. Empirical pharmacokinetic data are not available for this intermediate compound.
Toxicity/Toxicokinetics
4-Bromopicolinic acid is a research chemical and should be handled with appropriate laboratory safety precautions. As a brominated carboxylic acid, it may cause skin and eye irritation. The compound should be stored in a cool and dark place, preferably below 15°C. Specific LD₅₀ values, acute toxicity classifications, and chronic toxicity data are not available in the public literature. Standard safety practices include the use of personal protective equipment.
Additional Infomation
4-Bromopicolinic acid (4-Bromo-2-pyridinecarboxylic acid, CAS 30766-03-1) is primarily a research-grade chemical intermediate, not an FDA-approved pharmaceutical drug. Its primary applications are as a synthetic intermediate for agrochemical, pharmaceutical and dyestuff fields. It serves as a helpful artificial substitute in these industries. No clinical trials or approved therapeutic indications exist for this compound. It is intended for laboratory research use only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C6H4BRNO2
Molecular Weight
202.01
Exact Mass
200.942
CAS #
30766-03-1
PubChem CID
735150
Appearance
White to light yellow solid powder
Density
1.8±0.1 g/cm3
Boiling Point
347.8±27.0 °C at 760 mmHg
Melting Point
172-174
Flash Point
164.2±23.7 °C
Vapour Pressure
0.0±0.8 mmHg at 25°C
Index of Refraction
1.617
LogP
0.76
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
1
Heavy Atom Count
10
Complexity
140
Defined Atom Stereocenter Count
0
SMILES
BrC1=CC=NC(C(O)=O)=C1
InChi Key
RPHHYRNGCJYQSP-UHFFFAOYSA-N
InChi Code
InChI=1S/C6H4BrNO2/c7-4-1-2-8-5(3-4)6(9)10/h1-3H,(H,9,10)
Chemical Name
4-bromopyridine-2-carboxylic acid
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

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 4.9502 mL 24.7512 mL 49.5025 mL
5 mM 0.9901 mL 4.9502 mL 9.9005 mL
10 mM 0.4950 mL 2.4751 mL 4.9502 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.
/

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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