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| Other Sizes |
| Targets |
Oxazole does not have a defined pharmacological target of its own, as it is a primary compound for a class of heterocyclic aromatic organic compounds known as azoles. The oxazole ring is a privileged scaffold in medicinal chemistry found in numerous naturally occurring and synthetic bioactive molecules. As a building block, it serves as a precursor for the synthesis of various biologically active compounds.
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| ln Vitro |
Fluprestin and daglitazone are two examples of the medications and biochemicals that actively use oxazole and its derivatives as building blocks. In addition, it is used in industrial applications for elastomers, textile auxiliaries, dyes, and optical brighteners.
In vitro, oxazole is primarily used as a chemical reagent and synthetic intermediate. As the primary compound for a class of heterocyclic aromatic organic compounds, it is a valuable building block for the synthesis of various azole derivatives. The oxazole ring is a privileged scaffold in medicinal chemistry, and its derivatives exhibit diverse biological activities. The compound is used in organic synthesis and as a biochemical reagent. |
| ln Vivo |
In vivo activity data for oxazole itself are not available, as the compound is not intended for direct in vivo administration. Rather, it is a precursor used in the synthesis of drug candidates that are subsequently evaluated in animal models. The compound's in vivo relevance is indirect, through the biological activities of the final pharmaceutical compounds derived from its oxazole scaffold.
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| Enzyme Assay |
For in vitro chemical synthesis, oxazole is used as a building block for the preparation of various azole derivatives. The oxazole ring can be functionalized through electrophilic substitution reactions at the 2-, 4-, and 5-positions. Standard protocols involve reacting the compound with appropriate reagents under controlled conditions, such as using electrophiles for substitution reactions or oxidizing agents for oxidation. The compound's reactivity as a heterocycle makes it a valuable starting material for the synthesis of diverse compounds.
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| Cell Assay |
For in vitro cell-based experiments, oxazole is used as an intermediate in the synthesis of compounds that are tested in cell viability, proliferation, and cytotoxicity assays. The compound itself is not typically evaluated in cell-based assays. Standard cell culture protocols for test compounds synthesized from this intermediate involve dissolving the final product in DMSO and diluting to working concentrations in appropriate cell culture medium.
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| Animal Protocol |
In vivo animal studies using oxazole are conducted on the final drug compounds synthesized from it, not on the intermediate itself. For pharmaceutical candidates derived from this building block, efficacy studies would typically be performed in mouse models of the relevant disease. Standard in vivo protocols involve administration to rodents via oral gavage or intraperitoneal injection, with appropriate pharmacokinetic and pharmacodynamic endpoints.
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| ADME/Pharmacokinetics |
Pharmacokinetic properties of oxazole as a standalone compound are not characterized in the literature. The compound has a molecular weight of 69.06 g/mol, which is very favorable for oral bioavailability. Its small size and high water solubility suggest rapid absorption and distribution. However, empirical pharmacokinetic data are not available for this intermediate compound.
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| Toxicity/Toxicokinetics |
Oxazole is a research chemical and should be handled with appropriate laboratory safety precautions. As a flammable liquid with a boiling point of 69-70°C and a flash point of -18°C, it should be stored away from heat and open flames. The compound may cause skin and eye irritation. It is for research use only and not for human therapeutic or diagnostic applications. Specific LD₅₀ values and acute toxicity classifications are not available in the public literature.
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| Additional Infomation |
1,3-Oxazole is a five-membered monocyclic heteroaromatic hydrocarbon, an analogue of cyclopentadiene, in which the CH2 at position 1 is replaced by an O atom, and the CH at position 3 is replaced by a N atom. It is a monocyclic heteroaromatic hydrocarbon belonging to the 1,3-oxazole class of compounds. In its five-membered heterocyclic structure, the oxygen atom is located at position 1, and the nitrogen atom is located at position 3, unlike isoxazoles (where the oxygen and nitrogen atoms are located at positions 1 and 2, respectively).
Oxazole (1,3-Oxazole) (CAS 288-42-6) is primarily a research-grade chemical intermediate, not an FDA-approved pharmaceutical drug. Its primary applications are as a building block for the synthesis of various azole derivatives and as a biochemical reagent for life science research. The oxazole ring is a privileged scaffold in medicinal chemistry. No clinical trials or approved therapeutic indications exist for this compound. |
| Molecular Formula |
C3H3NO
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|---|---|
| Molecular Weight |
69.06
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| Exact Mass |
69.021
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| CAS # |
288-42-6
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| PubChem CID |
9255
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| Appearance |
Colorless to light yellow liquid
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| Density |
1.1±0.1 g/cm3
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| Boiling Point |
69.5±9.0 °C at 760 mmHg
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| Melting Point |
−87-−84 °C(lit.)
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| Flash Point |
18.9±0.0 °C
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| Vapour Pressure |
145.4±0.1 mmHg at 25°C
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| Index of Refraction |
1.422
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| LogP |
0.12
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| Hydrogen Bond Donor Count |
0
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| Hydrogen Bond Acceptor Count |
2
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| Rotatable Bond Count |
0
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| Heavy Atom Count |
5
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| Complexity |
30.1
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| Defined Atom Stereocenter Count |
0
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| SMILES |
O1C([H])=NC([H])=C1[H]
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| InChi Key |
ZCQWOFVYLHDMMC-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C3H3NO/c1-2-5-3-4-1/h1-3H
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| Chemical Name |
1,3-oxazole
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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 | 14.4802 mL | 72.4008 mL | 144.8016 mL | |
| 5 mM | 2.8960 mL | 14.4802 mL | 28.9603 mL | |
| 10 mM | 1.4480 mL | 7.2401 mL | 14.4802 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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