3-(2-Methoxyphenyl)-5-(4-methoxyphenyl)isoxazole CAS 89263-89-8
| CAS No. | 89263-89-8 |
| Molecular Formula | C17H15NO3 |
| Molecular Weight | 281.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 281.31 g/mol gives 3-(2-Methoxyphenyl)-5-(4-methoxyphenyl)isoxazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(2-Methoxyphenyl)-5-(4-methoxyphenyl)isoxazole (CAS 89263-89-8) is a high-purity analytical reference standard with the molecular formula C17H15NO3 and a molecular weight of 281.31 g/mol.
3-(2-Methoxyphenyl)-5-(4-methoxyphenyl)isoxazole (C17H15NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, 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), 3-(2-Methoxyphenyl)-5-(4-methoxyphenyl)isoxazole 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 | C17H15NO3 |
| Molecular Weight | 281.31 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
Related Methoxyphenyl Standards
- 3,4-Bis(4-methoxyphenyl)isoxazole (CAS 138584-27-7)
- (1-(4-Methoxyphenyl)-3-(pyridin-3-yl)-1H-pyrazol-4-yl)methanol (CAS 618383-39-4)
- 2-[(4-methoxyphenyl)methyl]-1,2,3,4-tetrahydroisoquinoline-1,3-dione (CAS 217493-71-5)
- 3-((4-Methoxyphenyl)amino)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 7186-67-6)
- 3-((4-Methoxyphenyl)diazenyl)-1-methyl-1H-indol-2-ol (CAS 303984-92-1)
- 3-(4-Methoxyphenyl)-5-(phenoxymethyl)-1,2-oxazole (CAS 478066-51-2)
- 3,5-Bis(4-methoxyphenyl)isoxazole (CAS 52751-67-4)
- 3-[4-[[(4-Methoxyphenyl)methylene]amino]phenyl]-2-propenoic acid (CAS 25959-50-6)
Recommended Standards
- 3-(4-Hydroxy-3-methoxy-5-methylbenzylidene)indolin-2-one (CAS 860648-89-1)
- 3-((4-Methoxybenzyl)oxy)-1,5-naphthyridin-2-amine (CAS 2435612-37-4)
- 3,3,7-Trimethyl-3H-furo[2,3-b]pyrano[3,2-f]quinolin-11(7H)-one (CAS 35307-24-5)
- 2-Methyl-1-oxo-3-phenyl-1,2,3,4-tetrahydroisoquinoline-4-carboxylic acid (CAS 943115-55-7)
- 5-Bromo-2-methyl-3-pivalamidobenzoic acid (CAS 2176700-56-2)
- 6-Ethoxy-5-methylpicolinaldehyde (CAS 1822646-26-3)
- Ethyl 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-(2-ethoxy-2-oxoethyl)-1H-1,2,3-triazole-4-carboxylate (CAS 313952-92-0)
- 80134-83-4 L-(1-~13~C,~15~N)Leucine DTXSID20583966 (CAS 80134-83-4)
- Lacosamide Impurity 35 (CAS 388619-64-5)
- (1-Methyl-2,3-dihydro-1h-indol-5-yl)(4-methylpiperazin-1-yl)acetonitrile (CAS 1170211-74-1)
- (3-Fluoro-4-iodophenyl)methanamine (CAS 1261615-99-9)
- dicarbonylcyclopentadienylcobalt (CAS 12078-25-0)
- 1,2,4-Triiodobenzene (CAS 615-68-9)
- Peptide 46 (H-4054.0500) (CAS 192122-40-0)
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