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Ethyl 2-cyano-2-(hydroxyimino)acetate

Cat No.:V68633 Purity: ≥98%
Ethyl 2-cyano-2-hydroxyiminoacetate is a biochemical compound that could be utilized as a biomaterial or organic/chemical reagent for biomedical research.
Ethyl 2-cyano-2-(hydroxyimino)acetate
Ethyl 2-cyano-2-(hydroxyimino)acetate Chemical Structure CAS No.: 3849-21-6
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
Ethyl 2-cyano-2-hydroxyiminoacetate is a biochemical compound that could be utilized as a biomaterial or organic/chemical reagent for biomedical research.
Ethyl 2-cyano-2-(hydroxyimino)acetate (CAS 3849-21-6) is a multifunctional organic compound featuring cyano, ester, and hydroxyimino (oxime) groups, with the molecular formula C5H6N2O3 and a molecular weight of 142.11 g/mol. It is a valuable intermediate in synthetic organic chemistry, frequently used in the preparation of heterocycles, bioactive molecules, and pharmaceuticals. The presence of electron-withdrawing groups enables diverse reactivity, including nucleophilic additions, cyclizations, and condensation reactions. This compound is particularly useful in the synthesis of isoxazoles and other nitrogen-containing scaffolds. It is used as a biochemical reagent for life science research and as a sulfonylation reagent for organic synthesis and drug discovery.
Biological Activity I Assay Protocols (From Reference)
Targets
Ethyl 2-cyano-2-(hydroxyimino)acetate does not have a specific biological target. It is a chemical reagent and synthetic intermediate used in the preparation of bioactive molecules and pharmaceuticals. Its oxime and cyano functionalities make it a versatile building block for constructing nitrogen-containing heterocycles with potential biological activities. The compound itself is not pharmacologically active but serves as a precursor for drug discovery and development.
ln Vitro
Highly effective coupling additive—a non-explosive, safer substitute for HOBt.
Ethyl 2-cyano-2-(hydroxyimino)acetate is a chemical reagent and does not possess intrinsic in vitro biological activity. Its value lies in its utility for synthesizing biologically active molecules, including pharmaceuticals and agrochemicals. The compound is used to prepare isoxazoles and other nitrogen-containing scaffolds that may exhibit various biological activities. It is not directly assayed for biological effects in cellular or biochemical systems.
ln Vivo
This compound is not a pharmacologically active agent and does not have intrinsic in vivo activity. Its applications in vivo are limited to its use as a synthetic intermediate for producing drug candidates that are subsequently evaluated in animal models. The compound is not administered to animals as a test compound.
Enzyme Assay
Cell-free enzyme/receptor binding assays are not applicable to ethyl 2-cyano-2-(hydroxyimino)acetate as it is not a biologically active compound. However, when used to synthesize drug candidates, these products may be evaluated in binding assays. Typical protocols involve incubating the test compound with purified enzymes or receptors in buffered solutions (e.g., Tris-HCl, pH 7.4) at 25–37°C, with binding affinity measured by SPR, ITC, or fluorescence-based methods.
Cell Assay
Cell-based assays are not directly performed on ethyl 2-cyano-2-(hydroxyimino)acetate due to its lack of biological activity. However, drug candidates synthesized from this intermediate may be tested in cellular systems. Typical studies involve culturing cells (e.g., cancer cell lines) in appropriate media, treating with the synthesized compound, and assessing cell viability (MTT), apoptosis (flow cytometry), and other endpoints over 24–72 hours.
Animal Protocol
In vivo animal studies are not conducted with ethyl 2-cyano-2-(hydroxyimino)acetate itself, as it is a chemical reagent. Drug candidates synthesized from this intermediate may be evaluated in animal models for efficacy, pharmacokinetics, and toxicity. Typical studies involve oral or intravenous administration to rodents, with monitoring of plasma drug levels, tissue distribution, and disease-relevant endpoints. All studies follow institutional animal care guidelines.
ADME/Pharmacokinetics
Ethyl 2-cyano-2-(hydroxyimino)acetate is a synthetic chemical reagent and is not subject to pharmacokinetic evaluation as a drug. Its physicochemical properties include a molecular weight of 142.11 g/mol. It should be stored at +4°C. The compound is soluble in organic solvents and has good stability under recommended storage conditions. Its multifunctional nature makes it a versatile building block for organic synthesis.
Toxicity/Toxicokinetics
The toxicological profile of ethyl 2-cyano-2-(hydroxyimino)acetate has not been extensively characterized. As a nitrile and oxime compound, it may pose health hazards, including skin and eye irritation. Standard laboratory safety precautions should be observed, including the use of personal protective equipment (gloves, goggles, lab coat) and adequate ventilation. Ingestion and inhalation should be avoided. Appropriate first-aid measures should be in place, and spills should be cleaned up promptly.
Additional Infomation
Structure in the first source
Ethyl 2-cyano-2-(hydroxyimino)acetate is not a drug but a valuable chemical intermediate for organic synthesis and drug discovery. It is frequently used in the preparation of heterocycles, bioactive molecules, and pharmaceuticals. The compound is particularly useful in the synthesis of isoxazoles and other nitrogen-containing scaffolds. Its versatility and reactivity make it an important reagent in medicinal chemistry, agrochemical development, and fine chemical manufacturing. It is not approved for clinical use.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C5H6N2O3
Molecular Weight
142.11
Exact Mass
142.037
CAS #
3849-21-6
PubChem CID
6400537
Appearance
Off-white to light yellow solid powder
Density
1.2±0.1 g/cm3
Boiling Point
248.9±23.0 °C at 760 mmHg
Melting Point
130-132 °C(lit.)
Flash Point
104.3±22.6 °C
Vapour Pressure
0.0±1.1 mmHg at 25°C
Index of Refraction
1.496
LogP
0.35
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
5
Rotatable Bond Count
3
Heavy Atom Count
10
Complexity
200
Defined Atom Stereocenter Count
0
SMILES
CCOC(=O)/C(=N/O)/C#N
InChi Key
LCFXLZAXGXOXAP-QPJJXVBHSA-N
InChi Code
InChI=1S/C5H6N2O3/c1-2-10-5(8)4(3-6)7-9/h9H,2H2,1H3/b7-4+
Chemical Name
ethyl (2E)-2-cyano-2-hydroxyiminoacetate
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 (703.68 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (17.59 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 (17.59 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 (17.59 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 7.0368 mL 35.1840 mL 70.3680 mL
5 mM 1.4074 mL 7.0368 mL 14.0736 mL
10 mM 0.7037 mL 3.5184 mL 7.0368 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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