3,5-Bis(4-methoxyphenyl)isoxazole CAS 52751-67-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 52751-67-4 |
| Molecular Formula | C17H15NO3 |
| Molecular Weight | 281.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,5-Bis(4-methoxyphenyl)isoxazole (CAS 52751-67-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H15NO3. Molecular weight: 281.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 1972 |
| Nitrogen Atoms | 1 |
Related Bis 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-(2-Methoxyphenyl)-5-(4-methoxyphenyl)isoxazole (CAS 89263-89-8)
- 3-(4-Methoxyphenyl)-5-(phenoxymethyl)-1,2-oxazole (CAS 478066-51-2)
- 3-[4-[[(4-Methoxyphenyl)methylene]amino]phenyl]-2-propenoic acid (CAS 25959-50-6)
Recommended Standards
- 3,3,7-Trimethyl-3H-furo[2,3-b]pyrano[3,2-f]quinolin-11(7H)-one (CAS 35307-24-5)
- 3,5-Dimethyl-1-(naphthalen-1-ylmethyl)-4-nitro-1h-pyrazole (CAS 400877-62-5)
- 3,6-Dimethyl-1-phenyl-1h-pyrazolo[3,4-b]pyridine-4-carbohydrazide (CAS 938017-85-7)
- N-(2,5-Dichlorophenyl)-2-(ethylamino)acetamide (CAS 901273-58-3)
- 3-Bromo-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-4-carbonitrile (CAS 2379242-02-9)
- Formoterol Impurity N1 (CAS 43229-66-9)
- 2-[(5-{1-[(4-Methoxyphenyl)amino]ethyl}-4-phenyl-4H-1,2,4-triazol-3-yl)thio]acetohydrazide (CAS 1306739-37-6)
- (2,2,2-Trifluoroacetyl)-d-alanine (CAS 7592-26-9)
- (3-Chloroisoquinolin-8-yl)methanol (CAS 1432514-89-0)
- Rac1 Inhibitor F56, control peptide (CAS 1315378-77-8)
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 13829788188 / jacky.chen@cato-chem.com