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| Other Sizes |
| Targets |
Piperazin-2-one is a synthetic intermediate and fragment molecule for drug discovery rather than a direct pharmacological agent. As a building block, it does not have specific biological receptors as its primary targets. The piperazinone scaffold is a privileged structure in medicinal chemistry, found in many bioactive compounds and pharmaceuticals. The compound can serve as a scaffold for molecular splicing, expansion, and modification, providing a structural basis for the design and screening of novel drug candidates. Its primary applications are as a pharmaceutical intermediate and fragment for drug discovery.
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| ln Vitro |
In vitro, piperazin-2-one is used as a biochemical reagent and organic compound for biomedical research. It is used for pharmaceutical intermediates and as a fragment molecule for drug discovery. Cellular assays are typically performed on the final compounds synthesized from this building block rather than on the building block itself. The compound's piperazinone scaffold allows for various chemical transformations, making it valuable for drug discovery and medicinal chemistry.
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| ln Vivo |
In vivo data for piperazin-2-one is limited, as it is primarily a research reagent and synthetic intermediate. The compound is classified for research use only and is not intended for human or veterinary therapeutic applications. However, pharmaceuticals synthesized using this building block may have various biological activities. The compound's primary value lies in its use as a synthetic intermediate and fragment for drug discovery. Specific in vivo data for the parent compound is not available in the public literature.
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| Enzyme Assay |
In vitro enzyme/receptor binding assays for piperazin-2-one are not typically performed, as it is primarily a synthetic intermediate. The compound is used as a building block in organic synthesis to prepare various compounds. A typical assay involves using the compound in chemical reactions, such as N-alkylation or amidation, to prepare final compounds. The compound is dissolved in organic solvents such as DMSO or ethanol. The resulting products can be evaluated for biological activity. Enzyme inhibition or receptor binding assays can be performed on the final synthesized compounds. IC₅₀ or binding affinity values are calculated from dose-response curves.
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| Cell Assay |
Cellular assays for piperazin-2-one are not standard, as the compound is primarily a synthetic intermediate. The compound is used in the preparation of various pharmaceuticals. A typical protocol for evaluating the biological activity of synthesized compounds involves culturing appropriate cell lines in growth medium at 37°C with 5% CO₂. Cells are treated with synthesized compounds at varying concentrations for 24-72 hours. Cell viability, proliferation, or specific signaling readouts are assessed. IC₅₀ or EC₅₀ values are calculated from dose-response curves. The compound itself is not typically tested in cellular assays.
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| Animal Protocol |
In vivo animal studies for piperazin-2-one are not standard, as it is a synthetic intermediate rather than a therapeutic candidate. The compound is classified for research use only and is not intended for human or veterinary applications. Any animal studies would typically be conducted on the final pharmaceuticals synthesized using this building block. These studies would evaluate efficacy, pharmacokinetics, and safety in appropriate animal models. The compound's primary value lies in its use as a synthetic intermediate and fragment for drug discovery.
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| ADME/Pharmacokinetics |
Pharmacokinetic data for piperazin-2-one is limited, as it is primarily a research reagent. The compound has a molecular weight of 100.12 g/mol and a molecular formula of C₄H₈N₂O. It is a solid at room temperature with a melting point of 136-140°C. The compound is hygroscopic and sensitive to light and moisture. As a lactam, it may undergo metabolic hydrolysis and conjugation. Specific ADME data is not available. The compound is stored in a dry, cool place.
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| Toxicity/Toxicokinetics |
Piperazin-2-one is classified for research use only and is not intended for human or veterinary applications. Standard safety precautions include handling with appropriate personal protective equipment (gloves, lab coat, safety goggles) in a well-ventilated area. The compound should be stored in a dry, cool place, protected from light and moisture. Acute toxicity data is not readily available in the public literature. As with all research chemicals, appropriate laboratory safety practices should be followed. No specific LD₅₀ values are available in the public domain.
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| Additional Infomation |
Piperazine-2-one is a carboxyimide acid.
Piperazin-2-one (2-Oxopiperazine, CAS 5625-67-2) is a biochemical reagent with the molecular formula C₄H₈N₂O. It is a six-membered heterocyclic lactam used as a pharmaceutical intermediate and fragment molecule for drug discovery. The compound is classified as a research-use-only compound not intended for diagnostic or therapeutic purposes. |
| Molecular Formula |
C4H8N2O
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|---|---|
| Molecular Weight |
100.12
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| Exact Mass |
100.063
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| CAS # |
5625-67-2
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| Related CAS # |
Piperazin-2-one-d6;1219803-71-0
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| PubChem CID |
231360
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| Appearance |
Light yellow to yellow solid powder
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| Density |
1.1±0.1 g/cm3
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| Boiling Point |
307.1±35.0 °C at 760 mmHg
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| Melting Point |
136-140 °C(lit.)
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| Flash Point |
166.3±26.1 °C
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| Vapour Pressure |
0.0±0.7 mmHg at 25°C
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| Index of Refraction |
1.445
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| LogP |
-2.19
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| Hydrogen Bond Donor Count |
2
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| Hydrogen Bond Acceptor Count |
2
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| Rotatable Bond Count |
0
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| Heavy Atom Count |
7
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| Complexity |
81.8
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| Defined Atom Stereocenter Count |
0
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| SMILES |
O=C1NCCNC1
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| InChi Key |
IWELDVXSEVIIGI-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C4H8N2O/c7-4-3-5-1-2-6-4/h5H,1-3H2,(H,6,7)
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| Chemical Name |
piperazin-2-one
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| HS Tariff Code |
2934.99.9001
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| 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)
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| 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
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| 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
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *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 : PEG300 ：Tween 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). View More
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)] 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). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 9.9880 mL | 49.9401 mL | 99.8801 mL | |
| 5 mM | 1.9976 mL | 9.9880 mL | 19.9760 mL | |
| 10 mM | 0.9988 mL | 4.9940 mL | 9.9880 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.
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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