2-(6,7-Dihydro-5H-benzo[7]annulen-9-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 2126819-58-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2126819-58-5 |
| Molecular Formula | C17H23BO2 |
| Molecular Weight | 270.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(6,7-Dihydro-5H-benzo[7]annulen-9-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2126819-58-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H23BO2. Molecular weight: 270.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H23BO2 |
| Molecular Weight | 270.17 g/mol |
| Appearance | Off-white to pale 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) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
Related Dihydro Standards
- 2-(6,9-Dihydro-5H-benzo[7]annulen-7-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2876970-15-7)
- 2,3-Dihydro-2-(3-nitrophenyl)-4H-1,3-benzoxazin-4-one (CAS 293326-06-4)
- (3R)-2,3-Dihydro-7-hydroxy-3-[(4-hydroxyphenyl)methyl]-4H-1-benzopyran-4-one (CAS 1178893-64-5)
- 3-((2,3-Dihydro-1h-inden-5-yl)oxy)-5-nitroaniline (CAS 310451-89-9)
- 4-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)benzoic acid (CAS 952183-13-0)
- Methyl 2-(2,3-dihydro-1,4-benzodioxin-6-yl) benzoate (CAS 893736-68-0)
- Methyl 3-(2,3-dihydro-1,4-benzodioxin-6-yl) benzoate (CAS 893737-40-1)
- 1,6-Dihydro-5-(2-hydroxyphenyl)-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one 1159977-45-3 5-(2-Hydroxyphenyl)-1,6-dihydro-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one 5-(2-Hydroxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 1159977-45-3)
Recommended Standards
- 2-(5-Bromo-2-methoxyphenyl)piperidine (CAS 383128-62-9)
- 2-(4-Bromophenyl)-N-(tert-butyl)acetamide (CAS 349415-66-3)
- 2-(Mesitylethynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2332893-72-6)
- 2-[(1-ethyl-2,5-dioxopyrrolidin-3-yl)thio]benzoic acid 63095-84-1 (CAS 63095-84-1)
- 8-Hydroxy-2-methylquinoline-7-carbaldehyde (CAS 13796-76-4)
- 6-Methyl-2,7-naphthyridin-1(2H)-one (CAS 1211594-51-2)
- 5-Cyclopropyl-1-(quinolin-5-yl)-1H-pyrazole-4-carboxylic acid (CAS 241798-75-4)
- Methylene blue Impurity 8 (CAS 2204245-78-1)
- tert-Butyl (3-(benzyloxy)pyridin-2-yl)carbamate (CAS 1260776-75-7)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
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