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1-Methyl-1H-pyrazole-4-carboxaldehyde

1-Methyl-1H-pyrazole-4-carboxaldehyde is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
1-Methyl-1H-pyrazole-4-carboxaldehyde
1-Methyl-1H-pyrazole-4-carboxaldehyde Chemical Structure CAS No.: 25016-11-9
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
1-Methyl-1H-pyrazole-4-carboxaldehyde is a biochemical compound that may be utilized as a biomaterial or organic/chemical reagent for biomedical research.
1-Methyl-1H-pyrazole-4-carboxaldehyde (CAS#: 25016-11-9) is a pyrazole carboxaldehyde with the molecular formula C5H6N2O. It is a versatile biochemical reagent that serves as a building block in organic synthesis and biochemical pathways. The compound plays a significant role in biochemical reactions and interacts with various enzymes, proteins, and other biomolecules. It is a high-purity biochemical reagent suitable for use as a biomaterial for life science related research and as a sulfonylation reagent for organic synthesis and drug discovery. The compound is used in the synthesis of 1-methyl-1H-pyrazole-4-carboxylic acid derivatives, making them candidates for drug development. It is a biochemical reagent that can be used as a biological material or organic compound for life science related research. The compound's aldehyde group provides a reactive site for further functionalization, enabling the synthesis of various derivatives with potential biological activity.
Biological Activity I Assay Protocols (From Reference)
Targets
1-Methyl-1H-pyrazole-4-carboxaldehyde does not have a specific primary biological target, as it functions primarily as a synthetic intermediate. However, the compound plays a significant role in biochemical reactions and interacts with various enzymes, proteins, and other biomolecules. Its derivatives, such as 1-methyl-1H-pyrazole-4-carboxylic acid derivatives, are candidates for drug development. The compound's aldehyde group allows it to form Schiff bases and other derivatives that may interact with various biological targets. In medicinal chemistry, it serves as a versatile building block for constructing biologically active molecules, including enzyme inhibitors and receptor modulators.
ln Vitro
In vitro, 1-methyl-1H-pyrazole-4-carboxaldehyde is used as a sulfonylation reagent for organic synthesis and drug discovery. It is used in the synthesis of 1-methyl-1H-pyrazole-4-carboxylic acid derivatives, making them candidates for drug development. The compound plays a significant role in biochemical reactions and interacts with various enzymes, proteins, and other biomolecules. In medicinal chemistry, it serves as a versatile building block for constructing biologically active molecules. Its aldehyde group allows for reductive amination, condensation, and other transformations, enabling the synthesis of diverse derivatives. In organic synthesis, it is used as a building block for creating complex molecules efficiently.
ln Vivo
In vivo activity is mediated through the derivatives of 1-methyl-1H-pyrazole-4-carboxaldehyde rather than the parent compound itself. For example, 1-methyl-1H-pyrazole-4-carboxylic acid derivatives synthesized from this compound are candidates for drug development and may be evaluated in animal models. However, specific in vivo studies on the parent compound are not documented, as it is a synthetic intermediate rather than a pharmacological agent.
Enzyme Assay
Cell-free assays involving 1-methyl-1H-pyrazole-4-carboxaldehyde are focused on its use as a chemical reagent. Standard protocols for aldehyde derivatization involve reacting the compound with amines to form imines or with other nucleophiles in condensation reactions. The reaction progress is monitored by TLC or HPLC. For sulfonylation reactions, the compound is used as a sulfonylation reagent in organic synthesis. The compound's reactivity can be studied using various analytical techniques, including NMR spectroscopy and mass spectrometry. Its use in the synthesis of carboxylic acid derivatives involves standard organic synthesis procedures.
Cell Assay
Cellular assays are not commonly performed with 1-methyl-1H-pyrazole-4-carboxaldehyde itself, as it is a chemical intermediate rather than a bioactive compound. However, its derivatives may be evaluated in cell-based systems for various biological activities. For example, 1-methyl-1H-pyrazole-4-carboxylic acid derivatives may be tested in cancer cell lines or other relevant cell models. The compound itself is not used as a test article in cell-based experiments due to its primary role as a synthetic building block.
Animal Protocol
Animal studies are not typically conducted with the parent compound 1-methyl-1H-pyrazole-4-carboxaldehyde. Its derivatives, such as 1-methyl-1H-pyrazole-4-carboxylic acid derivatives, may be evaluated in animal models for therapeutic efficacy. However, specific in vivo studies on the parent compound are not documented. The parent compound is not administered to animals, as it is a synthetic intermediate.
ADME/Pharmacokinetics
Pharmacokinetic data for 1-methyl-1H-pyrazole-4-carboxaldehyde are not available. As a small polar molecule with a molecular weight of 110.11 g/mol, it is expected to have moderate bioavailability if administered, but it is not intended for therapeutic use. Comprehensive pharmacokinetic studies have not been performed, as the compound is not intended for systemic administration. For research purposes, the compound is typically handled as a neat chemical and not administered to living organisms for pharmacokinetic profiling.
Toxicity/Toxicokinetics
Toxicological data for 1-methyl-1H-pyrazole-4-carboxaldehyde are limited. Standard safety precautions for handling aldehydes and heterocycles apply, including the use of personal protective equipment such as gloves and safety goggles. The compound should be handled in a well-ventilated area, and contact with skin and eyes should be avoided. In case of exposure, affected areas should be rinsed thoroughly with water. The compound is not classified as a carcinogen or mutagen based on available data, but comprehensive toxicological evaluation has not been performed. As with all research chemicals, it should be handled with care and used only in accordance with safety guidelines.
Additional Infomation
1-Methyl-1H-pyrazole-4-carboxaldehyde is a research chemical, not an approved drug. It has no clinical trial or marketing approval status for therapeutic use. The compound is a versatile biochemical reagent that serves as a building block in organic synthesis and biochemical pathways. It plays a significant role in biochemical reactions and interacts with various enzymes, proteins, and other biomolecules. The compound is used in the synthesis of 1-methyl-1H-pyrazole-4-carboxylic acid derivatives, making them candidates for drug development. It is supplied with a purity of ≥99.96% and should be stored in a cool, dry place. It is a high-purity biochemical reagent suitable for use as a biomaterial for life science related research and as a sulfonylation reagent for organic synthesis and drug discovery.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C5H6N2O
Molecular Weight
110.11
Exact Mass
110.048
CAS #
25016-11-9
PubChem CID
573117
Appearance
White to light yellow <29°C solid powder,>34°C liquid
Density
1.1±0.1 g/cm3
Boiling Point
218.9±13.0 °C at 760 mmHg
Melting Point
29-34ºC
Flash Point
86.2±19.8 °C
Vapour Pressure
0.1±0.4 mmHg at 25°C
Index of Refraction
1.552
LogP
0.01
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
1
Heavy Atom Count
8
Complexity
94.4
Defined Atom Stereocenter Count
0
SMILES
O=C([H])C1C([H])=NN(C([H])([H])[H])C=1[H]
InChi Key
MYFZXSOYJVWTBL-UHFFFAOYSA-N
InChi Code
InChI=1S/C5H6N2O/c1-7-3-5(4-8)2-6-7/h2-4H,1H3
Chemical Name
1-methylpyrazole-4-carbaldehyde
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: 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)
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 9.0818 mL 45.4091 mL 90.8183 mL
5 mM 1.8164 mL 9.0818 mL 18.1637 mL
10 mM 0.9082 mL 4.5409 mL 9.0818 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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