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(NH2)2bpy (4,4'-Diamino-2,2'-bipyridine)

(NH2)2bpy (4,4'-Diamino-2,2'-bipyridine) is an organic/chemical reagent extensively used as a catalyst and coordination reagent.
(NH2)2bpy (4,4'-Diamino-2,2'-bipyridine)
(NH2)2bpy (4,4'-Diamino-2,2'-bipyridine) Chemical Structure CAS No.: 18511-69-8
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
2g
5g
Other Sizes
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Product Description
(NH2)2bpy (4,4'-Diamino-2,2'-bipyridine) is an organic/chemical reagent extensively used as a catalyst and coordination reagent. It can form complexes with other metal ions or organic molecules and can play a catalytic role in certain organic synthesis reactions. In addition, the compound is extensively used in certain chemical analysis and detection methods, such as in bioanalysis and electrochemical analysis.
4,4'-Diamino-2,2'-bipyridine ((NH₂)₂bpy, CAS 18511-69-8) is a bipyridine derivative with molecular formula C₁₀H₁₀N₄ and molecular weight 186.22 g/mol. It appears as a solid. The compound is a biochemical reagent that can be used as a biological material or organic compound for life science research. It serves as a bidentate chelator designed to form stable complexes with metal ions.
Biological Activity I Assay Protocols (From Reference)
Targets
4,4'-Diamino-2,2'-bipyridine does not have a defined pharmacological target. It is a bidentate chelator that forms stable complexes with metal ions. The compound's functional capacity allows it to coordinate effectively with metals, making it a valuable component in various chemical processes and applications where metal binding is essential. It is used as a ligand in coordination chemistry.
ln Vitro
For life science-related study, (NH2)2bpy is a biochemical reagent that can be utilized as an organic substance or biological material.
In vitro, 4,4'-diamino-2,2'-bipyridine is used as a bidentate chelator and chemical intermediate. It is used to form stable complexes with metal ions for various applications. As a bipyridine ligand, it is used in coordination chemistry, catalysis, and materials science. The amino groups provide handles for further derivatization, enabling the synthesis of functionalized metal complexes.
ln Vivo
In vivo activity data for 4,4'-diamino-2,2'-bipyridine are not available, as the compound is a ligand and chelator used for in vitro applications. It is not intended for in vivo administration and has no established in vivo pharmacokinetic or pharmacodynamic profile. The compound is not designed for therapeutic use.
Enzyme Assay
For in vitro coordination chemistry, 4,4'-diamino-2,2'-bipyridine is used as a ligand to form metal complexes. Standard protocols involve dissolving the compound in an appropriate solvent (e.g., ethanol, acetonitrile) and reacting it with metal salts (e.g., RuCl₃, FeCl₂) to form coordination complexes. The complexes are characterized by UV-Vis spectroscopy, NMR, and mass spectrometry. The compound's bidentate nature allows it to chelate metal ions effectively.
Cell Assay
For in vitro cell-based experiments, 4,4'-diamino-2,2'-bipyridine is not typically used directly in cell culture. It is a chemical reagent used for coordination chemistry and organic synthesis. The compound may be used in the synthesis of metal complexes that are subsequently tested in cell-based assays, but it is not added directly to cell cultures as a test compound.
Animal Protocol
In vivo animal studies for 4,4'-diamino-2,2'-bipyridine are not applicable, as the compound is a ligand and chelator used for in vitro applications. No animal studies have been conducted for this compound as a therapeutic agent, and it is not intended for diagnostic or therapeutic use in animals or humans.
ADME/Pharmacokinetics
Pharmacokinetic data for 4,4'-diamino-2,2'-bipyridine are not available, as the compound is not a drug and is not administered to living organisms. The compound has a molecular weight of 186.22 g/mol. As a bipyridine derivative, it is expected to have moderate lipophilicity and may bind to metal ions in biological systems. The compound is primarily used as a reagent rather than as a drug candidate.
Toxicity/Toxicokinetics
4,4'-Diamino-2,2'-bipyridine is a research chemical and should be handled with appropriate laboratory safety precautions. As a nitrogen-containing heterocycle, it may cause skin and eye irritation. The compound is for research use only and not for human therapeutic or diagnostic applications. 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 and working in a fume hood.
Additional Infomation
4,4'-Diamino-2,2'-bipyridine ((NH₂)₂bpy, CAS 18511-69-8) is primarily a research-grade chemical ligand and chelator, not an FDA-approved pharmaceutical drug. Its primary applications are as a bidentate chelator for forming stable metal complexes and as a ligand in coordination chemistry and catalysis. No clinical trials or approved therapeutic indications exist for this compound.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C10H10N4
Molecular Weight
186.21
Exact Mass
186.09
CAS #
18511-69-8
PubChem CID
191515
Appearance
Off-white to gray solid powder
Density
1.3±0.1 g/cm3
Boiling Point
521.0±50.0 °C at 760 mmHg
Flash Point
301.9±17.3 °C
Vapour Pressure
0.0±1.4 mmHg at 25°C
Index of Refraction
1.687
LogP
-0.2
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
1
Heavy Atom Count
14
Complexity
165
Defined Atom Stereocenter Count
0
SMILES
N1C([H])=C([H])C(=C([H])C=1C1C([H])=C(C([H])=C([H])N=1)N([H])[H])N([H])[H]
InChi Key
WTHJTVKLMSJXEV-UHFFFAOYSA-N
InChi Code
InChI=1S/C10H10N4/c11-7-1-3-13-9(5-7)10-6-8(12)2-4-14-10/h1-6H,(H2,11,13)(H2,12,14)
Chemical Name
2-(4-aminopyridin-2-yl)pyridin-4-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: (1). This product requires protection from light (avoid light exposure) during transportation and storage.  (2). Please store this product in a sealed and protected environment (e.g. under nitrogen), 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)
Solubility Data
Solubility (In Vitro)
DMSO: 100 mg/mL (537.03 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (13.43 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 (13.43 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in 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 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 5.3703 mL 26.8514 mL 53.7028 mL
5 mM 1.0741 mL 5.3703 mL 10.7406 mL
10 mM 0.5370 mL 2.6851 mL 5.3703 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
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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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