5-Ethoxy-2-phenyloxazole-4-carbaldehyde CAS 344560-39-0
| CAS No. | 344560-39-0 |
| Molecular Formula | C12H11NO3 |
| Molecular Weight | 217.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethoxy-2-phenyloxazole-4-carbaldehyde (C12H11NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-Ethoxy-2-phenyloxazole-4-carbaldehyde (CAS 344560-39-0), molecular formula C12H11NO3 and molecular weight 217.22 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Ethoxy-2-phenyloxazole-4-carbaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H11NO3 |
| Molecular Weight | 217.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-Amino-6-(4-methoxyphenyl)pyridazin-3(2H)-one (CAS 220967-27-1)
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- 5-amino-2-(3-oxomorpholino)benzonitrile (CAS 482308-11-2)
- 5-Ethyl-3-phenyl-1,2-oxazole-4-carboxylic acid (CAS 91569-55-0)
- (E)-Methoxy[(3-nitro-4-{4-[3-(trifluoromethyl)benzoyl]piperazin-1-yl}phenyl)methylidene]amine (CAS 383147-19-1)
- 7-Fluoro-3-methylquinoxalin-2(1H)-one (CAS 311346-77-7)
- 5,6,7,8-Tetrahydro-4H-thiazolo[4,5-d]azepin-2-amine (CAS 86029-68-7)
- Ethyl 4-oxo-1-phenoxy-4H-quinolizine-3-carboxylate (CAS 101192-59-0)
- 7-(5-Chloro-2-methoxyphenyl)-7-oxoheptanoic acid (CAS 951889-82-0)
- Octanal (CAS 124-13-0)
- 2-Amino-4,6-dimethoxypyrimidin-5-ol (CAS 267224-18-0)
- 1-(1,3-Dimethyl-1h-1,2,4-triazol-5-yl)propan-1-amine (CAS 1250155-36-2)
- 2-Amino-2-(2,3-dimethoxyphenyl)acetonitrile (CAS 926246-41-5)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
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