4,4,5,5-Tetramethyl-2-(4-phenylbut-1-yn-1-yl)-1,3,2-dioxaborolane CAS 159087-44-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 159087-44-2 |
| Molecular Formula | C16H21BO2 |
| Molecular Weight | 256.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4,5,5-Tetramethyl-2-(4-phenylbut-1-yn-1-yl)-1,3,2-dioxaborolane (CAS 159087-44-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H21BO2. Molecular weight: 256.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H21BO2 |
| Molecular Weight | 256.15 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.) | 2002 |
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Recommended Standards
- [4-(Adamantan-1-yl)phenyl]boronic acid (CAS 1527479-23-7)
- (3AS,4R,6R,7aR)-3a,5,5-trimethyl-2-phenylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborole (CAS 76110-78-6)
- (Z)-2-(3-((2-Methoxypropan-2-yl)oxy)allyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 77896-99-2)
- (S)-1-(4-(1-aminoethyl)phenyl)ethan-1-one (CAS 1215266-77-5)
- N-Phenyldibenzo[b,d]furan-4-amine (CAS 743453-07-8)
- Olopatadine Impurity N2 (CAS 1206456-44-1)
- 1,4,7,10-Tetraazacyclotridecane-1,4,7,10-tetraacetic acid (CAS 60239-20-5)
- Quetiapine EP Impurity J HCl (CAS 1356906-17-6(free base))
- 2-(1,3,4-Oxadiazol-2-yl)phenyl 4-methylbenzenesulfonate (CAS 240115-63-3)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
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