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2-Acetylpyrazine

Alias: 2-Acetylpyrazine 2Acetylpyrazine2 Acetylpyrazine 2-Acetylpyrazine Acetylpyrazine1-Pyrazinylethanone
Cat No.:V9329 Purity: ≥98%
Acetylpyrazine (2-Acetylpyrazine) is a useful structure in many bioactive molecules and perfumes and may be used in the preparation /synthesis of many polycyclic compounds.
2-Acetylpyrazine
2-Acetylpyrazine Chemical Structure CAS No.: 22047-25-2
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Acetylpyrazine (2-Acetylpyrazine) is a useful structure in many bioactive molecules and perfumes and may be used in the preparation /synthesis of many polycyclic compounds. Acetylpyrazine is a component of folic acid (vitamin B compound).
2-Acetylpyrazine (CAS 22047-25-2), also known as acetylpyrazine, is a pyrazine substituted by an acetyl group at position 2. It is a component of folates (vitamin B compounds). The compound is used to form many polycyclic compounds as useful structures in pharmaceuticals and perfumes. It is widely used as a flavoring agent in the food industry and as a fragrance in the cosmetic industry.
Biological Activity I Assay Protocols (From Reference)
Targets
2-Acetylpyrazine does not have a well-defined pharmacological target. As a component of folates, it may have a role in vitamin B metabolism. The compound is primarily used as a flavoring agent and chemical intermediate. Its biological activity is limited to its role as a building block in the synthesis of pharmaceuticals and fragrances.
ln Vitro
In vitro, 2-acetylpyrazine is used as a building block in the synthesis of polycyclic compounds for pharmaceutical and fragrance applications. Its in vitro activities are limited to its chemical reactivity. The compound is a component of folates, suggesting a potential role in one-carbon metabolism. Detailed in vitro pharmacological studies are limited.
ln Vivo
In vivo data for 2-acetylpyrazine are limited. The compound is primarily used as a flavoring agent and chemical intermediate. Its role as a component of folates suggests that it may have nutritional or metabolic functions. However, comprehensive in vivo studies are not available.
Enzyme Assay
General protocols for flavor analysis use gas chromatography-mass spectrometry (GC-MS) or high-performance liquid chromatography (HPLC). 2-Acetylpyrazine is extracted from food or fragrance samples using appropriate solvents and analyzed by GC-MS or HPLC. The compound's identity is confirmed by retention time and mass spectrum. Quantification is performed using external or internal standards. The compound's purity and concentration in samples are determined.
Cell Assay
General protocols for chemical synthesis using 2-acetylpyrazine involve condensation reactions with various nucleophiles to form polycyclic compounds. The compound is dissolved in appropriate solvents and reacted with reagents under controlled conditions (temperature, time, pH). The products are purified by column chromatography or recrystallization and characterized by NMR, MS, and IR spectroscopy. The yields and purity of the products are determined. The synthesized compounds are evaluated for pharmaceutical or fragrance applications.
Animal Protocol
General protocols for in vivo studies of 2-acetylpyrazine are not well established. The compound is primarily used in food and fragrance applications. For toxicological studies, the compound may be administered orally to rodents at various doses. Body weight, clinical signs, and mortality are monitored. Tissues are collected for histopathological examination. However, comprehensive in vivo studies are limited.
ADME/Pharmacokinetics
2-Acetylpyrazine has a molecular weight of 122.12 g/mol (C6H6N2O). It is a pyrazine substituted by an acetyl group at position 2. The compound is a component of folates. Its pharmacokinetic properties have not been extensively characterized. The compound is used as a flavoring agent and chemical intermediate.
Toxicity/Toxicokinetics
The toxicity profile of 2-acetylpyrazine has not been fully characterized. As a flavoring agent used in food and cosmetics, it is generally recognized as safe at low concentrations. However, high concentrations may cause irritation. The compound should be handled with appropriate safety precautions. Comprehensive toxicological studies are limited.
Additional Infomation
2-Acetylpyrazine is a pyrazine compound with an acetyl group substituted at the 2-position. It has been identified as a volatile flavor component in popcorn, bread crusts, vinegar, and potato snacks, and has a flavoring effect. It is an aromatic ketone belonging to the pyrazine class of compounds. Acetylpyrazine has also been reportedly found in Polygala senega, and relevant data are available.
2-Acetylpyrazine (CAS 22047-25-2) is a pyrazine derivative used as a flavoring agent in the food industry and as a fragrance in the cosmetic industry. It is a component of folates (vitamin B compounds) and is used to form polycyclic compounds for pharmaceutical and fragrance applications. It has no approved therapeutic indications. Its applications are primarily in the food, cosmetic, and chemical industries.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C6H6N2O
Molecular Weight
122.13
Exact Mass
124.063
CAS #
22047-25-2
PubChem CID
30914
Appearance
Typically exists as solid at room temperature
Density
1.1±0.1 g/cm3
Boiling Point
249.0±40.0 °C at 760 mmHg
Melting Point
75-78 °C
Flash Point
121.9±27.5 °C
Vapour Pressure
0.0±0.5 mmHg at 25°C
Index of Refraction
1.499
LogP
-2.71
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
1
Heavy Atom Count
9
Complexity
114
Defined Atom Stereocenter Count
0
SMILES
CC(=O)C1=CN=CC=N1
InChi Key
DBZAKQWXICEWNW-UHFFFAOYSA-N
InChi Code
InChI=1S/C6H6N2O/c1-5(9)6-4-7-2-3-8-6/h2-4H,1H3
Chemical Name
Ethanone, 1-(2-pyrazinyl)-
Synonyms
2-Acetylpyrazine 2Acetylpyrazine2 Acetylpyrazine 2-Acetylpyrazine Acetylpyrazine1-Pyrazinylethanone
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)
DMSO : ~100 mg/mL (~818.80 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (20.47 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 (20.47 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.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (20.47 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 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 8.1880 mL 40.9400 mL 81.8800 mL
5 mM 1.6376 mL 8.1880 mL 16.3760 mL
10 mM 0.8188 mL 4.0940 mL 8.1880 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
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  • 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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