4,4,5,5-tetramethyl-2-(phenanthren-2-yl)-1,3,2-dioxaborolane CAS 895137-83-4
| CAS No. | 895137-83-4 |
| Molecular Formula | C20H21BO2 |
| Molecular Weight | 304.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4,5,5-tetramethyl-2-(phenanthren-2-yl)-1,3,2-dioxaborolane (CAS 895137-83-4), a certified reference material (molecular formula C20H21BO2, MW 304.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H21BO2, 4,4,5,5-tetramethyl-2-(phenanthren-2-yl)-1,3,2-dioxaborolane contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 304.19 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.
As a certified reference material (CRM), 4,4,5,5-tetramethyl-2-(phenanthren-2-yl)-1,3,2-dioxaborolane 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 | C20H21BO2 |
| Molecular Weight | 304.19 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related tetramethyl Standards
- 4-(3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)morpholine (CAS 1073372-03-8)
- 4,4,5,5-Tetramethyl-2-(4-(phenylethynyl)phenyl)-1,3,2-dioxaborolane (CAS 1190376-20-5)
- Ethyl 3-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanoate (CAS 1198615-84-7)
- Ethyl 2-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]propanoate (CAS 1228690-28-5)
- 1-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidin-4-ol (CAS 1251948-86-3)
- 1-(6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidin-4-ol (CAS 1313040-65-1)
- 4,4,5,5-Tetramethyl-2-(3-((tetrahydro-2H-pyran-4-yl)oxy)phenyl)-1,3,2-dioxaborolane (CAS 1416367-41-3)
- 4-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]oxan-4-ol (CAS 1613259-87-2)
Recommended Standards
- 4-(tert-Butoxycarbonyl)phenylboronic Acid Pinacol Ester (CAS 850568-72-8)
- 4,4,5,5-Tetramethyl-2-(phenanthren-9-yl)-1,3,2-dioxaborolane (CAS 68572-88-3)
- 4-(2,2-Dimethylcyclopropyl)-6-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 2446483-68-5)
- 4-[(Tetrahydro-2H-pyran-2-yl)oxy]phenylboronic Acid Pinacol Ester (CAS 889865-38-7)
- N-[(4-tert-Butylphenyl)methoxy]thian-4-imine (CAS 294853-32-0)
- D-glucono-1,4-lactone (CAS 1198-69-2)
- (4-Dimethylamino-piperidin-1-yl)-acetic acid (CAS 1353995-87-5)
- Octahydro-1H-cyclopenta[c]pyridine-6-carboxylic acid (CAS 1935175-69-1)
- 1-{[4-Fluoro-2-(trifluoromethyl)phenyl]methyl}-3-nitro-1h-pyrazole (CAS 1240572-32-0)
- benzyl N-(4-bromophenyl)-N-methylcarbamate (CAS 947170-99-2)
- 5-(2-Chloroacetamido)benzene-1,3-dicarboxylic acid (CAS 61389-11-5)
- 3,5-Dimethyl-1-(3-methylbenzyl)-1h-pyrazole-4-carboxylic acid (CAS 1153370-36-5)
- (S)-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methanamine hydrochloride (CAS 23191-07-3)
- Insulin Degludec Impurity 16 (CAS CATO-C4X-215716)
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