3-Ethoxy-2-fluoro-4-methoxyphenylboronic acid CAS 2096334-14-2
| CAS No. | 2096334-14-2 |
| Molecular Formula | C9H12BFO4 |
| Molecular Weight | 214.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Ethoxy-2-fluoro-4-methoxyphenylboronic acid (CAS 2096334-14-2), a certified reference material (molecular formula C9H12BFO4, MW 214.00 g/mol) for analytical method development and quality control.
Structurally, 3-Ethoxy-2-fluoro-4-methoxyphenylboronic acid (C9H12BFO4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 214.00 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-Ethoxy-2-fluoro-4-methoxyphenylboronic acid 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 | C9H12BFO4 |
| Molecular Weight | 214.00 g/mol |
| 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
Related Ethoxy Standards
- (5-Ethoxy-2-fluoro-4-methoxyphenyl)boronic acid (CAS 900174-85-8)
- 1-Ethoxy-3-iodopropane (CAS 123691-74-7)
- Ethyl 3-ethoxy-4,4,4-trifluorobutyrate (CAS 1801174-33-3)
- 5-Ethoxy-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid (CAS 572917-55-6)
- Methyl 2-ethoxy-4-fluoro-5-hydroxybenzoate (CAS 2383729-47-1)
- 1-(2-Ethoxy-3,5-difluorophenyl)propan-1-one (CAS 1443310-98-2)
- 1-(3-Ethoxy-4,5-difluorophenyl)propan-1-one (CAS 1443325-80-1)
- 1-(4-Ethoxy-3,5-difluorophenyl)propan-1-one (CAS 1443328-99-1)
Recommended Standards
- 3,5-Dichloro-2,6-difluoro-4-methoxypyridine (CAS 2693-59-6)
- 3-Iodo-2-methylpropanoic acid (CAS 69089-22-1)
- 3-iodo-4-methyl-1,2,5-oxadiazole (CAS 77580-81-5)
- 4,5-Dichloro-3-(difluoromethyl)pyridin-2-ol (CAS 1806821-10-2)
- 3-(2-Oxo-3-(4-(trifluoromethoxy)phenoxy)pyrrolidin-1-yl)benzoic acid (CAS 649774-30-1)
- 4-(Piperazin-1-yl)pyrimidine (CAS 51047-52-0)
- 1-Propylcyclohexanol (CAS 5445-24-9)
- 3-CPMT Hydrochloride (CAS 14008-79-8)
- 1-(1-Isobutyl-1H-pyrazol-3-yl)-N-((1-isobutyl-1H-pyrazol-5-yl)methyl)methanamine hydrochloride (CAS 1855936-93-4)
- N-benzyl-3-methylaniline (CAS 5405-17-4)
- 4-(N-propylsulfamoyl)benzoic acid (CAS 10252-65-0)
- 4-(4-(4-Fluorophenyl)-1H-pyrazol-3-yl)-4H-1,2,4-triazole (CAS 62537-98-8)
- 2-Amino-6-bromo-N-methylnicotinamide (CAS 1312456-39-5)
- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
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