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2-Bromothiazole

2-Bromothiazole is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
2-Bromothiazole
2-Bromothiazole Chemical Structure CAS No.: 3034-53-5
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
500g
Other Sizes
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Product Description
2-Bromothiazole is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
2-Bromothiazole (CAS 3034-53-5) is a heterocyclic brominated thiazole derivative with molecular formula C₃H₂BrNS and molecular weight 164.02 g/mol. It appears as a colorless to light yellow to light orange clear liquid with a boiling point of 171°C and a density of 1.82 g/mL. The compound is insoluble in water but soluble in chloroform and dichloromethane. 2-Bromothiazole is a heterocyclic S compound used as a starting reagent in organic synthesis.
Biological Activity I Assay Protocols (From Reference)
Targets
2-Bromothiazole does not have a defined pharmacological target. It is a heterocyclic compound that has been reported to induce base-pair substitution and have mutagenic activity. The compound is primarily used as a chemical reagent and building block for the synthesis of various biologically active compounds, including 2-cyanothiazole via copper-catalyzed cyanation and N-arylated azaindoles.
ln Vitro
2-Bromothiazole, solely for research purposes. Additionally, 5- and 7-azaindoles are N-arylated using it as an aryl halide. The product of copper-catalyzed cyanation is 2-cyanothiazole.
In vitro, 2-Bromothiazole is primarily used as a chemical reagent and synthetic intermediate. It is used to N-arylate 5- and 7-azaindoles and as a starting reagent in the synthesis of 2-cyanothiazole via copper-catalyzed cyanation. The compound is employed in the synthesis of various pharmaceutical compounds that are subsequently tested in in vitro assays. It is soluble in chloroform and dichloromethane.
ln Vivo
In vivo activity data for 2-Bromothiazole 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, 2-Bromothiazole 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 164.02 g/mol, a predicted pKa of 0.84±0.10, and a density of 1.82 g/mL. The bromine atom provides a versatile handle for cross-coupling reactions.
Cell Assay
For in vitro cell-based experiments, 2-Bromothiazole 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-Bromothiazole 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-Bromothiazole as a standalone compound are not characterized in the literature. The compound has a molecular weight of 164.02 g/mol, which is within the favorable range for oral bioavailability. The compound has a predicted pKa of 0.84, indicating it will be largely un-ionized at physiological pH. Empirical pharmacokinetic data are not available for this intermediate compound.
Toxicity/Toxicokinetics
2-Bromothiazole is classified with GHS hazard statements H227-H315-H319-H335. Hazard codes include Xi and F. Risk statements include R36/37/38: Irritating to eyes, respiratory system and skin. Safety statements recommend S23: Do not breathe gas/fumes/vapor/spray, S24/25: Avoid contact with skin and eyes, and S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. The compound has a flash point of 146°F.
Additional Infomation
2-Bromothiazole (CAS 3034-53-5) is primarily a research-grade chemical intermediate, not an FDA-approved pharmaceutical drug. Its primary applications are in organic synthesis as a building block for heterocyclic compounds. The compound is used to N-arylate azaindoles and as a starting reagent for the synthesis of 2-cyanothiazole. It has been reported to have mutagenic activity. No clinical trials or approved 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
C3H2BRNS
Molecular Weight
164.02
Exact Mass
162.909
CAS #
3034-53-5
PubChem CID
76430
Appearance
Colorless to light yellow liquid(Density:1.857±0.06 g/cm3)
Density
1.9±0.1 g/cm3
Boiling Point
171.0±9.0 °C at 760 mmHg
Melting Point
171ºC
Flash Point
63.3±0.0 °C
Vapour Pressure
1.9±0.3 mmHg at 25°C
Index of Refraction
1.605
LogP
1.93
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
0
Heavy Atom Count
6
Complexity
50.1
Defined Atom Stereocenter Count
0
SMILES
BrC1=NC=CS1
InChi Key
RXNZFHIEDZEUQM-UHFFFAOYSA-N
InChi Code
InChI=1S/C3H2BrNS/c4-3-5-1-2-6-3/h1-2H
Chemical Name
2-bromo-1,3-thiazole
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 6.0968 mL 30.4841 mL 60.9682 mL
5 mM 1.2194 mL 6.0968 mL 12.1936 mL
10 mM 0.6097 mL 3.0484 mL 6.0968 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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