2-([1,1':3',1''-Terphenyl]-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 1872426-73-7
| CAS No. | 1872426-73-7 |
| Molecular Formula | C24H25BO2 |
| Molecular Weight | 356.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-([1,1':3',1''-Terphenyl]-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (C24H25BO2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.5, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 356.27 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-([1,1':3',1''-Terphenyl]-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1872426-73-7), molecular formula C24H25BO2 and molecular weight 356.27 g/mol, is a CATO reference standard with documented purity and traceability.
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), 2-([1,1':3',1''-Terphenyl]-2-yl)-4,4,5,5-tetramethyl-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 | C24H25BO2 |
| Molecular Weight | 356.27 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) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related Terphenyl Standards
- 2-([1,1':3',1''-Terphenyl]-5'-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1036378-83-2)
- 2-([1,1':4',1''-Terphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1080632-76-3)
- 2-([1,1':3',1''-Terphenyl]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1115023-84-1)
- 2-([1,1':3',1''-Terphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1385826-84-5)
- 2-([1,1':4',1''-Terphenyl]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1401577-23-8)
- 2-([1,1':2',1''-Terphenyl]-4'-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2144472-52-4)
- 1,1′:4′,1′′-Terphenyl, 2′,3,4-trifluoro-4′′-pentyl- (CAS 139677-35-3)
- 5'-Phenyl-[1,1':3',1''-terphenyl]-2'-carboxylic acid (CAS 5732-17-2)
Recommended Standards
- (2,5-Dichlorophenyl)(7-(furan-2-yl)-1,4-thiazepan-4-yl)methanone (CAS 1797186-38-9)
- (E)-[1-(4-Chlorophenyl)-2-[(4-chlorophenyl)methanesulfinyl]ethylidene](methoxy)amine (CAS 320422-57-9)
- (4S,5S)-4-((tert-Butyldimethylsilyl)oxy)-5-(iodomethyl)dihydrofuran-2(3H)-one (CAS 159685-39-9)
- 1-([1,1'-Biphenyl]-2-yl)-3,5-bis(trifluoromethyl)-1H-pyrazole (CAS 956706-68-6)
- 3-Aminophthalic acid hydrochloride (CAS 6946-22-1)
- 1-(3,4-Dichlorophenyl)butan-1-one (CAS 6582-45-2)
- 2-Mercapto-3-(3-(5-methyl-1H-pyrazol-1-yl)propyl)quinazolin-4(3H)-one (CAS 1003993-45-0)
- 2-Chloro-3-{[3-(1H-imidazol-1-yl)propyl]amino}-1,4-dihydronaphthalene-1,4-dione (CAS 255731-20-5)
- 2,2'-((4-(Trifluoromethyl)pyridine-2,6-diyl)bis(sulfanediyl))diacetic acid (CAS 1053659-76-9)
- 1-(3-Bromophenyl)-2-(butylthio)ethan-1-one (CAS 1152669-46-9)
- 2-Chloro-5-phenylthieno[2,3-d]pyrimidine (CAS 1225701-41-6)
- 4-Butoxy-1-chloro-2-(trifluoromethyl)benzene (CAS 1881290-31-8)
- Cefixime Impurity 30 (CAS CATO-C4X-113930)
- (Des-Gly2)-Exenatide trifluoroacetate salt (CAS 1678416-78-8)
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