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2,6-Dichloro-4-iodopyridine

Cat No.:V68776 Purity: ≥98%
2,6-Dichloro-4-iodopyridine is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
2,6-Dichloro-4-iodopyridine
2,6-Dichloro-4-iodopyridine Chemical Structure CAS No.: 98027-84-0
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
2,6-Dichloro-4-iodopyridine is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
2,6-Dichloro-4-iodopyridine (CAS 98027-84-0) is a halogenated pyridine derivative with chlorine atoms at the 2- and 6-positions and an iodine atom at the 4-position. With molecular formula C₅H₂Cl₂IN and molecular weight 273.89 g/mol, it appears as a white to gray to brown powder to crystalline solid with a melting point of 161-165°C. The compound is a biochemical reagent used in pharmaceutical and agrochemical research.
Biological Activity I Assay Protocols (From Reference)
Targets
2,6-Dichloro-4-iodopyridine does not have a defined pharmacological target of its own, as it is a synthetic intermediate. As a halogenated pyridine, it serves as a key building block for the synthesis of various biologically active compounds. The different halogen atoms (chlorine and iodine) provide orthogonal handles for selective functionalization in medicinal chemistry.
ln Vitro
In vitro, 2,6-dichloro-4-iodopyridine is primarily used as a chemical reagent and synthetic intermediate. As a halogenated pyridine, it is a common building block for the construction of drug-like molecules through selective cross-coupling reactions. The iodine atom at the 4-position is more reactive than the chlorine atoms, enabling sequential functionalization. The compound is widely utilized in pharmaceutical and agrochemical research.
ln Vivo
In vivo activity data for 2,6-dichloro-4-iodopyridine 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 its halogenated pyridine scaffold.
Enzyme Assay
For in vitro chemical synthesis, 2,6-dichloro-4-iodopyridine is used as a building block for the preparation of various compounds. The iodine atom at the 4-position provides a handle for selective cross-coupling reactions such as Suzuki-Miyaura couplings, while the chlorine atoms at the 2- and 6-positions can be used for subsequent nucleophilic aromatic substitution reactions. Standard protocols involve reacting the compound with appropriate reagents under controlled conditions, such as using palladium catalysts for selective coupling at the iodine site.
Cell Assay
For in vitro cell-based experiments, 2,6-dichloro-4-iodopyridine 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 2,6-dichloro-4-iodopyridine 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 2,6-dichloro-4-iodopyridine as a standalone compound are not characterized in the literature. The compound has a molecular weight of 273.89 g/mol, which is within the favorable range for oral bioavailability. The halogen atoms may influence metabolic stability and lipophilicity. The iodine atom may be subject to oxidative deiodination. Empirical pharmacokinetic data are not available for this intermediate compound.
Toxicity/Toxicokinetics
2,6-Dichloro-4-iodopyridine is a research chemical and should be handled with appropriate laboratory safety precautions. As a halogenated compound, it may cause skin and eye irritation. The compound should be stored under appropriate conditions. It 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.
Additional Infomation
2,6-Dichloro-4-iodopyridine (CAS 98027-84-0) is primarily a research-grade chemical intermediate, not an FDA-approved pharmaceutical drug. Its primary applications are as a building block for pharmaceutical and agrochemical research and as a biochemical reagent for biomedical research. 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
C5H2CL2IN
Molecular Weight
273.89
Exact Mass
272.86
CAS #
98027-84-0
PubChem CID
11737393
Appearance
White to off-white solid powder
Density
2.1±0.1 g/cm3
Boiling Point
291.6±35.0 °C at 760 mmHg
Melting Point
161-165ºC
Flash Point
130.1±25.9 °C
Vapour Pressure
0.0±0.6 mmHg at 25°C
Index of Refraction
1.652
LogP
2.1
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
1
Rotatable Bond Count
0
Heavy Atom Count
9
Complexity
91
Defined Atom Stereocenter Count
0
SMILES
IC1C=C(N=C(C=1)Cl)Cl
InChi Key
NGSKFMPSBUAUNE-UHFFFAOYSA-N
InChi Code
InChI=1S/C5H2Cl2IN/c6-4-1-3(8)2-5(7)9-4/h1-2H
Chemical Name
2,6-dichloro-4-iodopyridine
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). This product is not stable in solution, please use freshly prepared working solution for optimal results.
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: ~33.3 mg/mL (~121.7 mM; with ultrasonication and warming by heating to 60°C)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (9.13 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 DMSO stock solution (25.0 mg/mL) to 900 μL of corn oil and mix well.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.6511 mL 18.2555 mL 36.5110 mL
5 mM 0.7302 mL 3.6511 mL 7.3022 mL
10 mM 0.3651 mL 1.8256 mL 3.6511 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
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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:
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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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