2-Phenoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol CAS 1196396-01-6
| CAS No. | 1196396-01-6 |
| Molecular Formula | C18H21BO4 |
| Molecular Weight | 312.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Phenoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol.
2-Phenoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1196396-01-6), molecular formula C18H21BO4 and molecular weight 312.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H21BO4, 2-Phenoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 312.17 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H21BO4 |
| Molecular Weight | 312.17 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
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Recommended Standards
- 3-(Cyanomethyl)-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)cyclobutane-1-carbonitrile (CAS 1153950-01-6)
- 2-(Benzyloxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1218791-34-4)
- Methyl 4,6-bis(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridine-2-carboxylate (CAS 1146081-29-9)
- 2,4-Dichloro-8-(4-fluorophenyl)-6-methyl-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 1263870-59-2)
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