| CAS No. | 2768871-06-1 |
| Molecular Formula | C10H10BrClFNO |
| Molecular Weight | 294.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 4-Bromo-3-chloro-2-fluoro-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine 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.
4-Bromo-3-chloro-2-fluoro-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine (CAS 2768871-06-1), molecular formula C10H10BrClFNO and molecular weight 294.55 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromo-3-chloro-2-fluoro-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine (C10H10BrClFNO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 294.55 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
| Molecular Formula | C10H10BrClFNO |
| Molecular Weight | 294.55 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F/Cl/Br-containing |
| Nitrogen Atoms | 1 |