5-(3-Chloro-4-methoxyphenyl)-4-methylisoxazole CAS 1399655-05-0
| CAS No. | 1399655-05-0 |
| Molecular Formula | C11H10ClNO2 |
| Molecular Weight | 223.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(3-Chloro-4-methoxyphenyl)-4-methylisoxazole (CAS 1399655-05-0), a certified reference material (molecular formula C11H10ClNO2, MW 223.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H10ClNO2, 5-(3-Chloro-4-methoxyphenyl)-4-methylisoxazole contains a nitrogen-containing heterocyclic scaffold, 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 223.66 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).
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-(3-Chloro-4-methoxyphenyl)-4-methylisoxazole 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 | C11H10ClNO2 |
| Molecular Weight | 223.66 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 1-(2-Chloroethyl)-3-(4-cyanophenyl)urea (CAS 13908-43-5)
- 7-Chloro-3-cyclopentyl-3h-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 14054-48-9)
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- (Furan-2-ylmethyl)hydrazine (CAS 6885-12-7)
- Upadacitinib Impurity 43 (CAS 1428243-69-9)
- 2-(cyclopropylamino)-2-(4-hydroxyphenyl)acetic acid (CAS 1218428-06-8)
- tert-Butyl 3-(2-aminopropan-2-yl)pyrrolidine-1-carboxylate (CAS 1363405-88-2)
- N1-((2-Chlorothiazol-5-yl)methyl)cyclohexane-1,4-diamine hydrochloride (CAS 1289387-15-0)
- Iohexol EP Impurity G (Mixture of Isomers) (CAS CATO-C4X-166424)
- Fluorescein-PEG3-amine (CAS 1807539-04-3)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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 18665070610 / Nicole.chen@cato-chem.com