2-Fluoro-5-(phenoxycarbonylamino)benzeneboronic acid pinacol ester, 97% CAS 2096333-70-7
| CAS No. | 2096333-70-7 |
| Molecular Formula | C19H21BFNO4 |
| Molecular Weight | 357.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Fluoro-5-(phenoxycarbonylamino)benzeneboronic acid pinacol ester, 97% (C19H21BFNO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.5, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 357.18 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2-Fluoro-5-(phenoxycarbonylamino)benzeneboronic acid pinacol ester, 97% (CAS 2096333-70-7), a certified reference material (molecular formula C19H21BFNO4, MW 357.18 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H21BFNO4 |
| Molecular Weight | 357.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluoro Standards
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- 8-(6-Fluoro-2-pyridinyl)-N-phenyl-1-oxa-4,8-diazaspiro[4.5]decane-4-carboxamide (CAS 303151-54-4)
Recommended Standards
- (4-Bromophenyl)diphenylphosphine Oxide (CAS 5525-40-6)
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- 4-(2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4-(trifluoromethyl)phenyl)morpholine (CAS 906352-77-0)
- 2,7-diazaspiro[4.4]nonan-1-one hydrochloride (CAS 1203682-17-0)
- 3-Methyl-2-(naphthalen-1-yl)butan-2-ol (CAS 189077-65-4)
- 3-Chloro-6-((4-methoxybenzyl)oxy)pyridazine (CAS 91398-07-1)
- 1-(2-Chloro-4-fluorobenzyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1338667-00-7)
- Ethyl (2-((2,6,8-trimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetyl)glycinate (CAS 852168-38-8)
- Ethyl 5-(2-((4-methylpiperazin-1-yl)methyl)phenyl)-5-oxopentanoate (CAS 898762-69-1)
- 2-[(tert-Butoxycarbonyl)amino]-3-(2-fluoro-4,5-dimethoxyphenyl)-2-propanoic Acid Methyl Ester (CAS 853759-47-4)
- N-Ethoxycarbonyl-L-phenylalanine (CAS 19887-32-2)
- 2-(4-(Trifluoromethyl)phenoxy)ethanamine (CAS 681482-61-1)
- Insulin Degludec Impurity 19 (CAS CATO-C4X-215719)
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