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7-Bromo-1-tetralone

Cat No.:V65971 Purity: ≥98%
7-Bromo-1-tetralone is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent in biomedical research.
7-Bromo-1-tetralone
7-Bromo-1-tetralone Chemical Structure CAS No.: 32281-97-3
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
Official Supplier of:
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Product Description
7-Bromo-1-tetralone is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent in biomedical research.
7-Bromo-1-tetralone is a halogenated aromatic ketone with the molecular formula C10H9BrO and a molecular weight of 225.08. It is a key intermediate in organic synthesis, particularly for the preparation of tetralone-derived compounds. It appears as a white to yellow solid with a melting point of 79-83degC.
Biological Activity I Assay Protocols (From Reference)
Targets
There is no specific biological target reported for 7-Bromo-1-tetralone. It is a chemical building block used in medicinal chemistry to synthesize potential drug candidates targeting various enzymes or receptors, such as kinases or GPCRs, depending on the final derivative.
ln Vitro
7-Bromotetralone is a synthetic intermediary that finds application in the manufacture of drugs.
No direct in vitro activity data is available for this compound itself. In medicinal chemistry, 7-Bromo-1-tetralone is used as a starting material to synthesize compounds with reported antiproliferative, anti-inflammatory, or antimicrobial activities. Its activity is measured indirectly via the activity of its derivatives.
ln Vivo
No specific in vivo activity data is available for 7-Bromo-1-tetralone. As a synthetic intermediate, it is not intended for direct administration in animals. Any in vivo activity would be associated with the final drug candidate derived from it.
Enzyme Assay
There is no standard enzyme/receptor binding protocol for 7-Bromo-1-tetralone. It is typically characterized by analytical methods: HPLC for purity (>98%), NMR for structure confirmation, and melting point determination. No biological assay is performed on this intermediate.
Cell Assay
No specific cell-based protocol is available. If used in cell culture for preliminary screening, a general protocol would involve dissolving in DMSO (stock 10-100 mM) and diluting to 1-100 uM in culture medium. However, this compound is not typically used directly in cell assays.
Animal Protocol
No standard in vivo animal protocol exists for this compound. It is not used in live animals. General chemical safety protocols for handling halogenated aromatics apply.
ADME/Pharmacokinetics
PK properties are not applicable to this synthetic intermediate. It is lipophilic (logP ~2.5) and has low water solubility. Formulation for chemical reactions is typically in organic solvents such as DCM, THF, or DMSO.
Toxicity/Toxicokinetics
The toxicity of 7-Bromo-1-tetralone has not been fully characterized. As a halogenated aromatic compound, it may be an irritant to skin, eyes, and respiratory tract. It should be handled with appropriate personal protective equipment (gloves, goggles, lab coat) in a fume hood.
Additional Infomation
7-Bromo-1-tetralone is a versatile building block for the synthesis of tetralone-based pharmaceuticals, agrochemicals, and natural product analogs. It is used to introduce the bromine atom for subsequent cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig). This product is for research use only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C10H9BRO
Molecular Weight
225.08
Exact Mass
223.983
CAS #
32281-97-3
PubChem CID
252731
Appearance
Off-white to light brown solid powder
Density
1.5±0.1 g/cm3
Boiling Point
311.9±31.0 °C at 760 mmHg
Melting Point
78 °C
Flash Point
103.5±12.2 °C
Vapour Pressure
0.0±0.7 mmHg at 25°C
Index of Refraction
1.599
LogP
3.52
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
1
Rotatable Bond Count
0
Heavy Atom Count
12
Complexity
190
Defined Atom Stereocenter Count
0
SMILES
C1CC2=C(C=C(C=C2)Br)C(=O)C1
InChi Key
YGVDCGFUUUJCDF-UHFFFAOYSA-N
InChi Code
InChI=1S/C10H9BrO/c11-8-5-4-7-2-1-3-10(12)9(7)6-8/h4-6H,1-3H2
Chemical Name
7-bromo-3,4-dihydro-2H-naphthalen-1-one
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 4.4429 mL 22.2143 mL 44.4286 mL
5 mM 0.8886 mL 4.4429 mL 8.8857 mL
10 mM 0.4443 mL 2.2214 mL 4.4429 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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