4-chloro-3-ethylisoxazol-5-amine CAS 1824272-71-0
| CAS No. | 1824272-71-0 |
| Molecular Formula | C5H7ClN2O |
| Molecular Weight | 146.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-chloro-3-ethylisoxazol-5-amine (CAS 1824272-71-0), molecular formula C5H7ClN2O and molecular weight 146.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H7ClN2O, 4-chloro-3-ethylisoxazol-5-amine contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 146.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 4-chloro-3-ethylisoxazol-5-amine 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 | C5H7ClN2O |
| Molecular Weight | 146.57 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- methyl furo[3,2-c]pyridine-3-carboxylate (CAS 117535-12-3)
- N,N-bis(2-hydroxyethyl)benzenesulfonamide (CAS 13127-79-2)
- N-(2-Bromo-5-nitrophenyl)acetamide (CAS 90221-50-4)
- (RS)-3-Amino-3-(3-pyridyl)-propionic acid (CAS 62247-21-6)
- Ethyl 2-(4-(tert-butyl)-1-hydroxycyclohexyl)acetate (CAS 54280-91-0)
- 2-Phenyl-[1,2,4]triazolo[1,5-a]pyridine (CAS 779-24-8)
- Pheromone Biosynthesis Activating Neuropeptide (Helicoverpa assulta, Heliothis zea) (CAS 122071-54-9)
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