5-Bromo-1-ethylpyridin-2(1H)-one CAS 63785-87-5

Purity 97%+In StockPharmaceutical Standards
CAS No.63785-87-5
Molecular FormulaC7H8BrNO
Molecular Weight202.05 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Bromo-1-ethylpyridin-2(1H)-one CAS 63785-87-5 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Bromo-1-ethylpyridin-2(1H)-one.

5-Bromo-1-ethylpyridin-2(1H)-one (CAS 63785-87-5) is a high-purity analytical reference standard with the molecular formula C7H8BrNO and a molecular weight of 202.05 g/mol.

Structurally, 5-Bromo-1-ethylpyridin-2(1H)-one (C7H8BrNO) contains an amide group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 202.05 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 5-Bromo-1-ethylpyridin-2(1H)-one 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 FormulaC7H8BrNO
Molecular Weight202.05 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975
Halogen ContentBr-containing
Nitrogen Atoms1

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