(E)-4,4,5,5-tetramethyl-2-(2-(2-methyl-[1,1'-biphenyl]-3-yl)vinyl)-1,3,2-dioxaborolane CAS 2171558-33-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2171558-33-9 |
| Molecular Formula | C21H25BO2 |
| Molecular Weight | 320.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-4,4,5,5-tetramethyl-2-(2-(2-methyl-[1,1'-biphenyl]-3-yl)vinyl)-1,3,2-dioxaborolane (CAS 2171558-33-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H25BO2. Molecular weight: 320.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H25BO2 |
| Molecular Weight | 320.23 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Related E Standards
- Ethyl 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[3.5]non-2-ene-7-carboxylate (CAS 2864444-56-2)
- 1-Methyl-4-{2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethyl}piperazine (CAS 1392419-83-8)
- N-[2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4-pyridyl]thietane-3-carboxamide (CAS 2246736-39-8)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-benzo[d]imidazole (CAS 1021919-38-9)
- 3-[3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenoxy]-propionic acid ethyl ester (CAS 1429323-80-7)
- Ethyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)propanoate (CAS 1887769-37-0)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)imidazo[1,2-a]pyridine (CAS 461701-10-0)
- 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7-(trifluoromethyl)-1H-indazole (CAS 1186334-80-4)
Recommended Standards
- (3,5-Bis(trifluoromethyl)phenyl)(phenyl)methanol (CAS 81390-93-4)
- 1,2-Bis(3-(trifluoromethyl)phenyl)hydrazine (CAS 351-19-9)
- (3',5'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4-yl)methanol (CAS 442514-47-8)
- tert-Butyl 2-oxo-1-azaspiro[3.6]decane-1-carboxylate (CAS 1335042-70-0)
- 2-(4-Methyl-piperazin-1-yl)-2-phenyl-ethylaminetrihydrochloride (CAS 1185304-06-6)
- Norfloxacin Impurity 53 (CAS 70459-06-2)
- 1-Methyl-1H-thieno[2,3-d]imidazol-2(3H)-one (CAS 231630-10-7)
- Tocainide (CAS 41708-72-9)
- (R,S)-BisPh-pentabBox (CAS 1246401-51-3)
- Biotinyl-Glucagon (1-29) (human, rat, porcine) trifluoroacetate salt (CAS 1802086-28-7)
Why CATO?
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