(7,8-Difluoro-2-propylchroman-6-yl)boronic acid CAS 819861-92-2
| CAS No. | 819861-92-2 |
| Molecular Formula | C12H15BF2O3 |
| Molecular Weight | 256.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 256.05 g/mol gives (7,8-Difluoro-2-propylchroman-6-yl)boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(7,8-Difluoro-2-propylchroman-6-yl)boronic acid (CAS 819861-92-2) is a high-purity analytical reference standard with the molecular formula C12H15BF2O3 and a molecular weight of 256.05 g/mol.
Structurally, (7,8-Difluoro-2-propylchroman-6-yl)boronic acid (C12H15BF2O3) 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 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 256.05 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), (7,8-Difluoro-2-propylchroman-6-yl)boronic 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 | C12H15BF2O3 |
| Molecular Weight | 256.05 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
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Recommended Standards
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- 1-Benzoylazetidin-3-ol (CAS 25566-00-1)
- 3-Chloro-4'-methoxy-3'-methyl-[1,1'-biphenyl]-4-ol (CAS 1261982-82-4)
- 2,6-Dimethyl-4-(2,2,4-trimethyl-7-nitro-2,3-dihydro-1-benzofuran-3-yl)morpholine (CAS 1005123-62-5)
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