(E)-4,4,5,5-Tetramethyl-2-(3-nitrostyryl)-1,3,2-dioxaborolane CAS 581802-25-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 581802-25-7 |
| Molecular Formula | C14H18BNO4 |
| Molecular Weight | 275.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4,4,5,5-Tetramethyl-2-(3-nitrostyryl)-1,3,2-dioxaborolane (CAS 581802-25-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H18BNO4. Molecular weight: 275.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H18BNO4 |
| Molecular Weight | 275.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
Related E Standards
- 3-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one (CAS 1016641-53-4)
- 4,4,5,5-Tetramethyl-2-(1-(4-nitrophenyl)vinyl)-1,3,2-dioxaborolane (CAS 1038849-79-4)
- 3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one (CAS 1220696-32-1)
- (E)-4,4,5,5-Tetramethyl-2-(4-nitrostyryl)-1,3,2-dioxaborolane (CAS 149777-86-6)
- 5-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (CAS 1620056-84-9)
- 8-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 2304634-58-8)
- 5-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1154740-49-4)
- N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)acetamide (CAS 1235450-93-7)
Recommended Standards
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- Cyclohexa-3,5-diene-1,2-dicarboxylic acid (CAS 22919-28-4)
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- 1-(5-Chloro-1-methyl-1H-benzo[d]imidazol-2-yl)ethan-1-amine (CAS 1184272-02-3)
- 5-Ethoxy-4-ethyl-2-(5-methyl-4-phenyl-1H-pyrazol-3-yl)phenol (CAS 385401-42-3)
- [1-(1-Methyl-1H-pyrazol-3-yl)propyl]amine (CAS 1467458-69-0)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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