5-(Diethoxymethyl)-3-ethyl-1,2,4-oxadiazole CAS 1339595-31-1
| CAS No. | 1339595-31-1 |
| Molecular Formula | C9H16N2O3 |
| Molecular Weight | 200.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(Diethoxymethyl)-3-ethyl-1,2,4-oxadiazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
5-(Diethoxymethyl)-3-ethyl-1,2,4-oxadiazole (CAS 1339595-31-1), molecular formula C9H16N2O3 and molecular weight 200.23 g/mol, is a CATO reference standard with documented purity and traceability.
5-(Diethoxymethyl)-3-ethyl-1,2,4-oxadiazole (C9H16N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H16N2O3 |
| Molecular Weight | 200.23 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Diethoxymethyl Standards
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Recommended Standards
- 5,5-Dimethyl-2,4-dioxo-hexanoic acid ethyl ester (CAS 13395-36-3)
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- methyl 4-acetyl-2-methyl-5-oxohexanoate (CAS 133578-40-2)
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- 5-methylpyridazine-4-carboxylic acid (CAS 1108712-51-1)
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- Methyl 5-(Benzyloxy)indole-3-acetate (CAS 5599-44-0)
- 3-chloro-7-methyl-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 2137684-12-7)
- 2-[(3-methylcyclohexyl)oxy]butanoic acid (CAS 1218052-49-3)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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