4-Bromo-3-chloro-2-fluoro-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine CAS 2768871-06-1

Purity 97%+In StockPharmaceutical Standards
CAS No.2768871-06-1
Molecular FormulaC10H10BrClFNO
Molecular Weight294.55 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Bromo-3-chloro-2-fluoro-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]pyridine CAS 2768871-06-1 chemical structure

Description

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.

Physical & Chemical Properties

Molecular FormulaC10H10BrClFNO
Molecular Weight294.55 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Halogen ContentF/Cl/Br-containing
Nitrogen Atoms1

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