Ethyl 3-[2-(2,4-dichlorobenzoyloxy)ethoxy]-5-[(E)-[(dimethylamino)methylidene]amino]-1,2-oxazole-4-carboxylate CAS 303997-07-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303997-07-1 |
| Molecular Formula | C18H19Cl2N3O6 |
| Molecular Weight | 444.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 3-[2-(2,4-dichlorobenzoyloxy)ethoxy]-5-[(E)-[(dimethylamino)methylidene]amino]-1,2-oxazole-4-carboxylate (CAS 303997-07-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H19Cl2N3O6. Molecular weight: 444.27 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H19Cl2N3O6 |
| Molecular Weight | 444.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- {2-[(2,4-dichlorobenzoyloxy)methyl]-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl}methyl 2,4-dichlorobenzoate (CAS 339028-74-9)
- {3-[(2,4-dichlorobenzoyloxy)methyl]-4-oxo-3,4-dihydro-2H-1-benzopyran-3-yl}methyl 2,4-dichlorobenzoate (CAS 339028-78-3)
- Ethyl 3-[2-(2,4-dichlorobenzoyloxy)ethoxy]-5-[3-(trifluoromethyl)benzamido]-1,2-oxazole-4-carboxylate (CAS 303997-13-9)
- {3-[(2,4-dichlorobenzoyloxy)methyl]-4-oxo-3,4-dihydro-2H-1-benzothiopyran-3-yl}methyl 2,4-dichlorobenzoate (CAS 339028-82-9)
Recommended Standards
- 4-(3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonyl)-N-(furan-2-ylmethyl)-1H-pyrrole-2-carboxamide (CAS 866049-52-7)
- tert-butyl (S)-3-(4-Amino-3-iodo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carboxylate (CAS 461702-66-9)
- (E)-4-((3,4-dichlorobenzyl)oxy)-N'-(3-nitrobenzylidene)benzohydrazide (CAS 303987-29-3)
- N,N'-((1S,4R)-2-(tert-butyl)cyclohex-2-ene-1,4-diyl)dibenzamide (CAS 2053651-96-8)
- Ethyl (3-chloro-5-(trifluoromethyl)pyridin-2-yl)glycinate (CAS 246022-36-6)
- 6-Oxoestriol (carboxymethyl)oxime (CAS 37654-41-4)
- 7-Methyl-3-phenyl-1H-pyrrolo[2,3-c]pyridine (CAS 160590-00-1)
- 2-Bromo-5-((4,4-difluorocyclohexyl)methoxy)pyrimidine (CAS 2306260-76-2)
- 2-((4-Allyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-fluorophenyl)acetamide (CAS 573973-12-3)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com