5,5,10,10-Tetramethyl-5,10-dihydroindeno[2,1-a]indene CAS 89057-44-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89057-44-3 |
| Molecular Formula | C20H20 |
| Molecular Weight | 260.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5,5,10,10-Tetramethyl-5,10-dihydroindeno[2,1-a]indene (CAS 89057-44-3) pharmaceutical standards reference standard. Molecular formula: C20H20. Molecular weight: 260.37 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C20H20 |
| Molecular Weight | 260.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
Related Tetramethyl Standards
- 2,2,6,6-Tetramethyl-4-(trifluoromethyl)-3,5-dioxa-2,6-disilaheptane (CAS 2149590-54-3)
- 4,4,5,5-Tetramethyl-2-(2,4,6-trimethylbenzyl)-1,3,2-dioxaborolane (CAS 1615227-16-1)
- 4,4,5,5-Tetramethyl-2-(2,3,5,6-tetramethylphenyl)-1,3,2-dioxaborolane (CAS 1809298-90-5)
- 4,4,5,5-Tetramethyl-2-[2-(2-methylpropyl)-phenyl]-1,3,2-dioxaborolane (CAS 1869934-28-0)
- 4,4,5,5-Tetramethyl-2-(5-methyl-2-(prop-1-en-2-yl)cyclohexa-1,4-dien-1-yl)-1,3,2-dioxaborolane (CAS 595585-52-7)
- (Z)-4,4,5,5-Tetramethyl-2-(4-(methylsulfonyl)but-1-en-1-yl)-1,3,2-dioxaborolane (CAS 2797245-05-5)
- 4,4,5,5-Tetramethyl-2-(4-methyl-2,3-dihydrobenzofuran-5-yl)-1,3,2-dioxaborolane (CAS 1154740-64-3)
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-1-one (CAS 1256359-22-4)
Recommended Standards
- 5-((2-(Dimethylamino)ethyl)(methyl)amino)-1-phenylpent-1-en-3-one (CAS 906626-88-8)
- 5-Methoxy EiPT (CAS 850032-66-5)
- 4-Tert-butyl-N-piperidin-4-ylbenzamide (CAS 75484-44-5)
- 286367-71-3 3-Phenylpropionic acid-2,3-13C2 Hydrocinnamic acid-2,3-13C2 (CAS 286367-71-3)
- n-(2-Methoxyphenyl)-5-oxopyrrolidine-2-carboxamide (CAS 459147-82-1)
- 3-Isopropyl-1-methyl-1h-pyrazole-5-carbonitrile (CAS 1171066-52-6)
- 2-Chloro-5-(5-methyl-1H-1,2,4-triazol-3-yl)aniline (CAS 648917-60-6)
- Tos-PEG7-OH (CAS 1028089-05-5)
- Tert-butyl 4-(3-aminobenzyl)piperidine-1-carboxylate (CAS 676528-03-3)
- C-telopeptide (CAS 162929-64-8)
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