4,4',5,5'-Tetramethyl-[1,1'-biphenyl]-2,2'-diol CAS 62156-67-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 62156-67-6 |
| Molecular Formula | C16H18O2 |
| Molecular Weight | 242.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4',5,5'-Tetramethyl-[1,1'-biphenyl]-2,2'-diol (CAS 62156-67-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H18O2. Molecular weight: 242.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1974 |
Related Tetramethyl Standards
- 2,2',6,6'-Tetramethyl-[1,1'-biphenyl]-4,4'-diol, >97% (CAS 26567-11-3)
- 3,3',5,5'-Tetramethyl-2,2'-biphenol (CAS 26567-10-2)
- 4,4,5,5-Tetramethyl-2-(thiophen-2-yl)imidazolidine-1,3-diol (CAS 202331-20-2)
- 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)
- 6-(Tetramethyl-1,3,2-dioxaborolan-2-yl)hexanoic acid (CAS 1557159-88-2)
Recommended Standards
- 4,4'-(1,4-Phenylene)bis(2-methylbut-3-yn-2-ol) (CAS 2344-53-8)
- 4,4'-Bis(methoxymethyl)-1,1'-biphenyl (CAS 3753-18-2)
- 4-(4-sec-Butylpiperazin-1-yl)-4-oxobutanoic acid (CAS 705943-51-7)
- (2R,5R)-Benzyl 5-amino-2-methylpiperidine-1-carboxylate (CAS 1207853-72-2)
- 2-(2-Chloroethanesulfonyl)-1,4-dimethylbenzene (CAS 790232-11-0)
- 2-Methyl-Azepine-1-Carboxylic Acid Methyl Ester (CAS 14194-59-3)
- 3,6-Bis(4-chlorobenzoyl)pyridazine (CAS 400088-05-3)
- Selexipag Impurity 38 (CAS CATO-C4X-196138)
- tert-Butyl (3-(5-amino-6-methoxypyrazin-2-yl)propyl)carbamate (CAS 1621083-38-2)
- Neuropeptide S (rat) (CAS 412938-75-1)
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