(E)-3-(4-methoxystyryl)benzo[c]isoxazole CAS 190901-33-8
| CAS No. | 190901-33-8 |
| Molecular Formula | C16H13NO2 |
| Molecular Weight | 251.28 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.
(E)-3-(4-methoxystyryl)benzo[c]isoxazole (CAS 190901-33-8) is a high-purity analytical reference standard with the molecular formula C16H13NO2 and a molecular weight of 251.28 g/mol.
Structurally, (E)-3-(4-methoxystyryl)benzo[c]isoxazole (C16H13NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 251.28 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures (E)-3-(4-methoxystyryl)benzo[c]isoxazole 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 | C16H13NO2 |
| Molecular Weight | 251.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 2011 |
| Nitrogen Atoms | 1 |
Related E Standards
- (E)-7-(4-methoxystyryl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 320416-52-2)
- (E)-2-(3-Methoxystyryl)benzoic acid (CAS 81428-84-4)
- (Z)-2-(4-methoxystyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1430803-71-6)
- (E)-2-(2-Methoxystyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 149777-81-1)
- (E)-2-(4-Methoxystyryl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 149777-83-3)
- (E)-(3-Methoxystyryl)boronic Acid Pinacol Ester (CAS 871125-68-7)
- 5-(4-Methoxystyryl)-3-methyl-4-nitroisoxazole (CAS 53557-95-2)
- 1-(p-Methoxystyryl)naphthalene (CAS 23833-69-4)
Recommended Standards
- 2-Phenylindole-5-carboxylic acid methyl ester, 97% (CAS 190071-25-1)
- 3-Methyl-5-phenyl-1H-indole-2-carboxylic acid (CAS 191868-97-0)
- tert-Butyl 1-formyl-5,6-dihydroimidazo[1,5-a]pyrazine-7(8H)-carboxylate (CAS 1895287-55-4)
- 2-(2,4-Dimethylphenyl)isoindoline-1,3-dione (CAS 19357-30-3)
- 3-Bromo-N-cyclopropyl-5-fluorobenzamide (CAS 1147712-88-6)
- 5-Iodo-2-(methylthio)pyrimidin-4(3H)-one (CAS 76510-61-7)
- Ethyl 2-((4-chloro-5-iodo-2-methoxyphenyl)amino)acetate (CAS 1508278-50-9)
- 2-Amino-2-(1-methyl-1h-1,2,4-triazol-5-yl)ethan-1-ol (CAS 1249651-56-6)
- Budesonide Impurity 79 (Z-Isomer) (CAS 118866-09-4)
- 3-Dodecyl-1,2-dimethyl-1H-imidazol-3-ium hexafluorophosphate(V) (CAS 676607-48-0)
- (S)-N-(3-((3-Fluoro-4-morpholinophenyl)amino)-2-hydroxypropyl)acetamide (CAS 1561176-27-9)
- 4,6-Dibromo-2-phenylpyrimidine (CAS 83217-06-5)
- 7-(4-(3-Hydroxyoct-1-en-1-yl)-1-methyl-2-oxopyrrolidin-3-yl)heptanoic acid (CAS 62310-97-8)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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