Ethyl 4-(3-methoxyisoxazole-5-carboxamido)benzoate CAS 1428347-74-3
| CAS No. | 1428347-74-3 |
| Molecular Formula | C14H14N2O5 |
| Molecular Weight | 290.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 4-(3-methoxyisoxazole-5-carboxamido)benzoate.
Ethyl 4-(3-methoxyisoxazole-5-carboxamido)benzoate (CAS 1428347-74-3) is a high-purity analytical reference standard with the molecular formula C14H14N2O5 and a molecular weight of 290.27 g/mol.
Ethyl 4-(3-methoxyisoxazole-5-carboxamido)benzoate (C14H14N2O5) contains a nitrogen-containing heterocyclic scaffold, 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 aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ethyl 4-(3-methoxyisoxazole-5-carboxamido)benzoate 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.
Physical & Chemical Properties
| Molecular Formula | C14H14N2O5 |
| Molecular Weight | 290.27 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Ethyl 5-methoxyisoxazole-4-carboxylate (CAS 1314983-30-6)
- Ethyl 3-methoxyisoxazole-4-carboxylate (CAS 2110239-88-6)
- 5-Methoxyisoxazole-3-carbonyl chloride (CAS 53064-59-8)
- methyl 3-methoxyisoxazole-5-carboxylate (CAS 16880-11-8)
- Methyl 5-methoxyisoxazole-3-carboxylate (CAS 80872-10-2)
- 4-Methoxyisoxazole-3-carboxylic acid (CAS 1505931-33-8)
- 3-Methoxyisoxazole-4-carboxylic acid (CAS 753486-89-4)
- 5-Methoxyisoxazole-4-carboxylic acid (CAS 886363-65-1)
Recommended Standards
- (S)-methyl 2-(1-benzamido-2-hydroxyethyl)oxazole-4-carboxylate (CAS 1421051-30-0)
- cis-1-[2-[(Acetyloxy)methyl]-1,3-oxathiolan-5-yl]-5-fluoro-2,4(1H,3H)-pyrimidinedione (CAS 144963-94-0)
- 2-(4-Methoxy-3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)acetic acid (CAS 1420794-89-3)
- (2S,3R,4S,5S)-2-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 14520-32-2)
- 1-(3-Bromo-5-chlorophenyl)-3,3-difluorocyclobutan-1-amine (CAS 2355381-02-9)
- 2-(Diethylamino)ethyl 4-(Thiophene-2-carboxamido)benzoate (CAS 712305-93-6)
- N-(2-Aminophenyl)-4-((6-fluoro-1H-indazol-1-yl)methyl)benzamide (CAS 920314-94-9)
- 5-Bromo-1,3-diethyl-2-iodobenzene (CAS 942475-12-9)
- (R)-2-(tert-butoxycarbonyl)-2-(methylamino)-4-phenylbutanoic acid (CAS 1001646-83-8)
- Hydroxy-PEG3-SS-PEG3-alcohol (CAS 5662-81-7)
- Methyl 2-amino-3-(oxan-4-yl)propanoate hydrochloride (CAS 1191997-33-7)
- 5-(aminomethyl)-3-(2-methylpropyl)-1,3-oxazolidin-2-one hydrochloride (CAS 1427380-28-6)
- 1-(2-Amino-4-fluoro-3-methylphenyl)ethan-1-one (CAS 2387024-76-0)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com