4-Ethynyl-2,3,5,6-tetrafluoroaniline CAS 61794-59-0

Purity 97%+In StockPharmaceutical Standards
CAS No.61794-59-0
Molecular FormulaC8H3F4N
Molecular Weight189.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Ethynyl-2,3,5,6-tetrafluoroaniline CAS 61794-59-0 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 4-Ethynyl-2,3,5,6-tetrafluoroaniline.

4-Ethynyl-2,3,5,6-tetrafluoroaniline (CAS 61794-59-0) is a high-purity analytical reference standard with the molecular formula C8H3F4N and a molecular weight of 189.11 g/mol.

Based on its molecular formula C8H3F4N, 4-Ethynyl-2,3,5,6-tetrafluoroaniline contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 4-Ethynyl-2,3,5,6-tetrafluoroaniline 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 FormulaC8H3F4N
Molecular Weight189.11 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 methanol, acetonitrile, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1974
Halogen ContentF-containing
Nitrogen Atoms1

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