(4S)-7-fluoro-3,4-dihydro-2H-1-benzopyran-4-ol CAS 1270301-83-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1270301-83-1
Molecular FormulaC9H9FO2
Molecular Weight168.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4S)-7-fluoro-3,4-dihydro-2H-1-benzopyran-4-ol CAS 1270301-83-1 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 (4S)-7-fluoro-3,4-dihydro-2H-1-benzopyran-4-ol.

(4S)-7-fluoro-3,4-dihydro-2H-1-benzopyran-4-ol (CAS 1270301-83-1), molecular formula C9H9FO2 and molecular weight 168.16 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, (4S)-7-fluoro-3,4-dihydro-2H-1-benzopyran-4-ol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 168.16 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.

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 (4S)-7-fluoro-3,4-dihydro-2H-1-benzopyran-4-ol 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 FormulaC9H9FO2
Molecular Weight168.16 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentF-containing

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