Ethyl 5-Amino-3-methylisoxazole-4-carboxylate CAS 25786-72-5
| CAS No. | 25786-72-5 |
| Molecular Formula | C7H10N2O3 |
| Molecular Weight | 170.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 5-Amino-3-methylisoxazole-4-carboxylate 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.
Ethyl 5-Amino-3-methylisoxazole-4-carboxylate (CAS 25786-72-5), molecular formula C7H10N2O3 and molecular weight 170.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H10N2O3, Ethyl 5-Amino-3-methylisoxazole-4-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 170.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C7H10N2O3 |
| Molecular Weight | 170.17 g/mol |
| Appearance | Off-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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- (S)-2-Amino-3-(3-methylisoxazol-5-yl)propanoic acid (CAS 100959-34-0)
- Ethyl 2-amino-5-methyl-1,3-oxazole-4-carboxylate (CAS 1065099-78-6)
- 2-Amino-6-[(2-hydroxyethyl)amino]-4(3H)-pyrimidinone (CAS 1077-04-9)
- 5-Amino-3-ethoxy-1h-pyrazole-4-carboxamide (CAS 111375-27-0)
- 2-[amino(3-pyridinyl)methylene]malononitrile (CAS 124883-64-3)
- Methyl 2-(3-amino-1h-1,2,4-triazol-1-yl)propanoate (CAS 1251110-24-3)
- Methyl 3-(5-amino-4H-1,2,4-triazol-3-yl)propanoate (CAS 1259516-86-3)
- 2-Amino-6-mercaptopurine-13C2,15N (CAS 1330266-29-9)
Recommended Standards
- Ethyl 5-amino-2-methyloxazole-4-carboxylate (CAS 3357-54-8)
- Ethyl 5-amino-4-methylisoxazole-3-carboxylate (CAS 87529-17-7)
- Ethyl 5-(Hydroxymethyl)pyrazole-3-carboxylate (CAS 61453-48-3)
- Ethyl 5-ethyl-1,3,4-oxadiazole-2-carboxylate (CAS 37641-38-6)
- 1-Benzyl-N-cyclopropylpyrrolidine-3-sulfonamide (CAS 1423033-20-8)
- Linezolid-d3 (CAS 1127120-38-0)
- 3-(4-Fluoro-2-methylphenyl)pyrrolidine (CAS 1249000-99-4)
- Dimethyl((4-nitrobenzyl)imino)-lambda6-sulfanone (CAS 2384475-72-1)
- 2-Cyclopropoxy-N1,N1-dimethylisophthalamide (CAS 1243454-52-5)
- 2-(4-Benzylpiperazin-1-yl)-3-bromonitrobenzene (CAS 1779120-79-4)
- 1-(1H-Indazol-3-yl)-N-methylmethanamine (CAS 1820943-86-9)
- methyl 4-methoxypentanoate (CAS 818-68-8)
- Ethyl 2-chloro-3-iodoisonicotinate (CAS 1034132-14-3)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
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