3,5-Difluoro-4-Sulfanylphenol CAS 581793-28-4

Purity 97%+In StockPharmaceutical Standards
CAS No.581793-28-4
Molecular FormulaC6H4F2OS
Molecular Weight162.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-Difluoro-4-Sulfanylphenol CAS 581793-28-4 chemical structure

Description

Structurally, 3,5-Difluoro-4-Sulfanylphenol (C6H4F2OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine 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 162.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

3,5-Difluoro-4-Sulfanylphenol (CAS 581793-28-4), molecular formula C6H4F2OS and molecular weight 162.16 g/mol, is a CATO reference standard with documented purity and traceability.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 3,5-Difluoro-4-Sulfanylphenol 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 FormulaC6H4F2OS
Molecular Weight162.16 g/mol
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
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Halogen ContentF-containing
Sulfur Atoms1

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