2,2',3,3',5,5'-Hexamethyl-[1,1'-biphenyl]-4,4'-diol CAS 19956-76-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19956-76-4 |
| Molecular Formula | C18H22O2 |
| Molecular Weight | 270.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,2',3,3',5,5'-Hexamethyl-[1,1'-biphenyl]-4,4'-diol (CAS 19956-76-4) pharmaceutical standards reference standard. Molecular formula: C18H22O2. Molecular weight: 270.37 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H22O2 |
| Molecular Weight | 270.37 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.) | 1962 |
Related Hexamethyl Standards
- 3,3',5,5',6,6'-Hexamethyl-[1,1'-biphenyl]-2,2'-diol (CAS 110932-47-3)
- 3,3',4,4',6,6'-Hexamethyl-[2,2'-bipyridine]-5,5'-diol (CAS 64604-96-2)
- 3,4,5,6,7,8-Hexamethyl-1,10-phenanthroline (CAS 3002-87-7)
- 1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane (CAS 17980-39-1)
- 1-(3,5,5,6,8,8-Hexamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)ethan-1-one (CAS 1506-02-1)
- 1-(2,5,5,7,8,8-Hexamethyl-2,3,5,8-tetrahydronaphthalen-2-yl)ethanone (CAS 217489-08-2)
- 1,1,3,3,5,5, Hexamethyl diethoxy trisiloxane (CAS 75144-60-4)
- Ethyl 1,2,5,6,7,8-hexamethyl-3-thia-4-azatricyclo[3.3.0.02,6]oct-7-ene-4-carboxylate 3,3-dioxide (CAS 20089-09-2)
Recommended Standards
- 2-(Diethylamino)-3-(2-methylprop-1-en-1-yl)quinolin-4(1H)-one (CAS 88960-26-3)
- 2,4-Dimethyl-N-((6,7,8,9-tetrahydro-5h-[1,2,4]triazolo[4,3-a]azepin-3-yl)methyl)aniline (CAS 325833-91-8)
- 2-(Azepan-1-yl)-7-methoxy-4-methylquinoline (CAS 301330-94-9)
- Bullatine A (CAS 1354-84-3)
- {4-[Phenyl(pyrrolidin-1-yl)methyl]phenyl}boronic acid (CAS 2377587-59-0)
- 4,4,5,5-Tetramethyl-2-(4-(1,1,2,2-tetrafluoroethoxy)phenyl)-1,3,2-dioxaborolane (CAS 503309-12-4)
- 1-(6-(Ethyl(methyl)amino)-5-methylpyridin-3-yl)propan-1-one (CAS 1355175-39-1)
- Tert-butyl 2-(4-hydroxyphenoxy)acetate (CAS 42806-92-8)
- Azelnidipine Impurity 8 (CAS CATO-C4X-10408)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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