4-Acetyl-2,5-difluorobenzeneboronic acid pinacol ester, 97% CAS 1022154-80-8
| CAS No. | 1022154-80-8 |
| Molecular Formula | C14H17BF2O3 |
| Molecular Weight | 282.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Acetyl-2,5-difluorobenzeneboronic acid pinacol ester, 97%.
CATO supplies 4-Acetyl-2,5-difluorobenzeneboronic acid pinacol ester, 97% (CAS 1022154-80-8), a certified reference material (molecular formula C14H17BF2O3, MW 282.09 g/mol) for analytical method development and quality control.
Structurally, 4-Acetyl-2,5-difluorobenzeneboronic acid pinacol ester, 97% (C14H17BF2O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 282.09 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Acetyl-2,5-difluorobenzeneboronic acid pinacol ester, 97% meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C14H17BF2O3 |
| Molecular Weight | 282.09 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 chloroform, dichloromethane, ethyl acetate, 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
Related Acetyl Standards
- 2,3-Difluorobenzeneboronic acid pinacol ester, 97% (CAS 1073339-17-9)
- 2,5-Difluorobenzeneboronic acid pinacol ester, 97% (CAS 408492-25-1)
- 2,6-Difluorobenzeneboronic acid pinacol ester, 97% (CAS 863868-37-5)
- 3,4-Difluorobenzeneboronic acid pinacol ester, 97% (CAS 754226-39-6)
- 3,5-Difluorobenzeneboronic acid pinacol ester, 97% (CAS 863868-36-4)
- 2,6-Difluorobenzeneboronic acid (CAS 162101-25-9)
Recommended Standards
- 5-Amino-1-(2-bromophenyl)-1H-pyrazole-4-carboxylic acid (CAS 1017794-42-1)
- 4-Bromo-8-methoxyquinoline-2-carboxylic acid (CAS 103862-09-5)
- Vildagliptin Impurity 48 (CAS CATO-C4X-110048)
- Methyl 5-(2-bromophenyl)-1,2-oxazole-3-carboxylate (CAS 1053657-05-8)
- 5-((4-Iodophenyl)amino)-1,6-dihydro-[1,1'-biphenyl]-3(2H)-one (CAS 358354-85-5)
- 5-Chloro-N-(4,5-dihydro-1H-imidazol-2-yl)isoindolin-2-amine (CAS 76727-62-3)
- 4-(4-(Benzo[d][1,3]dioxol-5-yl)-5-(pyridin-2-yl)-1H-imidazol-2-yl)benzonitrile (CAS 301836-34-0)
- 1-Bromo-4-(difluoromethyl)-5-fluoro-2-nitrobenzene (CAS 1807009-61-5)
- N-((6-chloropyridazin-3-yl)methyl)cyclopropanamine hydrochloride (CAS 1337880-84-8)
- Methyl (r)-3-(4-fluorophenyl)-3-hydroxypropanoate (CAS 885123-33-1)
- Roflumilast Impurity 36 (CAS CATO-C4X-108436)
- (S)-2-m-Tolyl-propionic acid (CAS 601472-22-4)
- 14-Hydroxytetradecanoic acid (CAS 17278-74-9)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
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