4-(2-Fluorophenyl)dihydro-2h-pyran-2,6(3h)-dione CAS 1267275-37-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1267275-37-5
Molecular FormulaC11H9FO3
Molecular Weight208.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(2-Fluorophenyl)dihydro-2h-pyran-2,6(3h)-dione CAS 1267275-37-5 chemical structure

Description

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 4-(2-Fluorophenyl)dihydro-2h-pyran-2,6(3h)-dione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 208.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

4-(2-Fluorophenyl)dihydro-2h-pyran-2,6(3h)-dione (CAS 1267275-37-5), molecular formula C11H9FO3 and molecular weight 208.19 g/mol, is a CATO reference standard with documented purity and traceability.

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.

CATO manufactures 4-(2-Fluorophenyl)dihydro-2h-pyran-2,6(3h)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC11H9FO3
Molecular Weight208.19 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentF-containing

Related Fluorophenyl Standards

Recommended Standards

Why CATO?