2,2',6,6'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol, >97% CAS 26567-11-3
| CAS No. | 26567-11-3 |
| Molecular Formula | C16H18O2 |
| Molecular Weight | 242.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,2',6,6'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol, >97% (CAS 26567-11-3), a certified reference material (molecular formula C16H18O2, MW 242.31 g/mol) for analytical method development and quality control.
Structurally, 2,2',6,6'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol, >97% (C16H18O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 242.31 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2,2',6,6'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol, >97% 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 | C16H18O2 |
| Molecular Weight | 242.31 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Related Tetramethyl Standards
- 3,3',5,5'-Tetramethyl-2,2'-biphenol (CAS 26567-10-2)
- 4,4',5,5'-Tetramethyl-[1,1'-biphenyl]-2,2'-diol (CAS 62156-67-6)
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- 2,3,5,9-Tetramethyl-7H-furo[3,2-g]chromen-7-one (CAS 113969-43-0)
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- 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-3-carbaldehyde (CAS 632325-55-4)
- Ethyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)butanoate (CAS 1392140-97-4)
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Recommended Standards
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- 2-[(4,4-Diethoxy-2-butyn-1-yl)oxy]tetrahydropyran (CAS 99805-29-5)
- 3-Bromo-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine hydrochloride (CAS 1172057-73-6)
- 3-Ethoxy-5-methyl-4-(pyridin-2-yl)isoxazole (CAS 342424-90-2)
- 3-(4H-1,2,4-Triazol-4-yl)aniline (CAS 252928-92-0)
- 4-(4-Chloro-1h-pyrazol-1-yl)-3-methylbenzaldehyde (CAS 1250251-15-0)
- 2-Chloro-4-(2-methoxyethoxy)pyridine (CAS 1067914-32-2)
- 5-(Bromomethyl)-3-(difluoromethyl)-4-methoxypyridin-2-amine (CAS 1804681-86-4)
- 4-Fluoro-N-(1-(thiazol-2-yl)ethyl)aniline (CAS 1482919-18-5)
- 2-(9,9'-Spirobi[fluoren]-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1346007-05-3)
- (2S,4S)-2-Amino-4-((tetrahydro-2H-pyran-4-yl)methyl)pentanedioic acid (CAS 1217649-24-5)
- semaglutide (CAS 782487-28-9)
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