2,4-Dichloro-5-(cyclopentyloxy)phenylboronic acid CAS 1256354-90-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1256354-90-1 |
| Molecular Formula | C11H13BCl2O3 |
| Molecular Weight | 274.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dichloro-5-(cyclopentyloxy)phenylboronic acid (CAS 1256354-90-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H13BCl2O3. Molecular weight: 274.94 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H13BCl2O3 |
| Molecular Weight | 274.94 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
Related Dichloro Standards
- 2,4-Dichloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1073354-24-1)
- 4,6-Dichloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1418127-43-1)
- 2,6-Dichloro-4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)phenol (CAS 1574340-13-8)
- 2,4-Dichloro-6-iodopyrimidine (CAS 1062608-49-4)
- 4,6-Dichloro-5-iodopyrimidine (CAS 1137576-38-5)
- 2,5-Dichloro-4-iodo-pyrimidine (CAS 1137576-41-0)
- 2,5-Dichloro-3-iodopyrazine (CAS 1174517-52-2)
- Methyl 2,6-dichloro-5-(trifluoromethyl)pyrimidine-4-carboxylate (CAS 1190198-37-8)
Recommended Standards
- 2,5-Dibromo-1H-indole (CAS 1240045-42-4)
- 4,7-Dibromoindole (CAS 126811-31-2)
- 3-Bromo-2-(bromomethyl)benzonitrile (CAS 1233479-42-9)
- (1-Methyl-1H-indol-4-yl)boronic acid (CAS 590417-56-4)
- (1R,2S,4R,5S)-2,4-Dimethyl-8-oxabicyclo[3.2.1]oct-6-en-3-one (CAS 37081-58-6)
- 5-(Chloromethyl)-1,3,4-thiadiazol-2-amine (CAS 62774-00-9)
- 2-Amino-4-(o-tolyl)butanoic acid (CAS 225233-69-2)
- 2-(4-Piperidinyl)ethyl 2-methoxyacetate hydrochloride (CAS 1219949-57-1)
- 1-(3-Methoxyphenyl)pentan-2-one (CAS 872549-58-1)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com