2-[(1E)-2-(4-Ethylphenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 870717-91-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 870717-91-2 |
| Molecular Formula | C16H23BO2 |
| Molecular Weight | 258.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-[(1E)-2-(4-Ethylphenyl)ethenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 870717-91-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H23BO2. Molecular weight: 258.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H23BO2 |
| Molecular Weight | 258.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related E Standards
- 4-(4-Ethylphenyl)-3,4-dihydrofuro[3,4-d]pyrimidine-2,5(1H,7H)-dione (CAS 1707603-59-5)
- Bis(2-ethylphenyl)phosphine oxide (CAS 1003879-42-2)
- 2-(1-(4-Ethylphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)acetic acid (CAS 1267282-75-6)
- 2-(4-Ethylphenyl)-5-(2-hydroxyethyl)-6-methylpyrimidin-4(3H)-one (CAS 866144-73-2)
- 5-Ethyl-2-((4-ethylphenyl)amino)-6-methylpyrimidin-4-ol (CAS 1306739-04-7)
- N-(4-Ethylphenyl)-N-(methylsulfonyl)glycine (CAS 530107-85-8)
- methyl 1-[(4-ethylphenyl)methyl]-5-methyl-1H-1,2,3-triazole-4-carboxylate (CAS 1803605-03-9)
- (2E)-1-(4-Ethylphenyl)-3-(5-methylthiophen-2-yl)prop-2-en-1-one (CAS 1354941-10-8)
Recommended Standards
- 2-(4-Nitro-3-(trifluoromethyl)phenyl)-2H-1,2,3-triazole (CAS 2094207-20-0)
- 2-Bromo-4,6-diisopropylpyrimidin-5-amine (CAS 2387294-66-6)
- 2-(4-Cyclopropyl-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2223040-90-0)
- 3-(Morpholinomethyl)pyrrolidin-3-ol (CAS 125032-96-4)
- 6-(4-Formylpiperazin-1-yl)-2-methylnicotinic acid (CAS 1355225-95-4)
- 4-(5-((2-Chlorobenzyl)thio)-1,3,4-oxadiazol-2-yl)phenol (CAS 493032-79-4)
- (4-Bromophenyl)(2-iodophenyl)methanone (CAS 890098-11-0)
- N-(2-Mercapto-1-oxopropyl)-L-alanine (CAS 26843-61-8)
- Methyl 2-(1,2,3,4-tetrahydroisoquinolin-1-yl)acetate hydrochloride (CAS 799274-03-6)
- Semaglutide impurity 85 (CAS CATO-C4X-222685)
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