4-Bromo-1,1,1,4,4-pentafluoro-2-(trifluoromethyl)but-2-ene CAS 885276-66-4

Purity 97%+In StockPharmaceutical Standards
CAS No.885276-66-4
Molecular FormulaC5HBrF8
Molecular Weight292.95 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Bromo-1,1,1,4,4-pentafluoro-2-(trifluoromethyl)but-2-ene CAS 885276-66-4 chemical structure

Description

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.

4-Bromo-1,1,1,4,4-pentafluoro-2-(trifluoromethyl)but-2-ene (CAS 885276-66-4), molecular formula C5HBrF8 and molecular weight 292.95 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to fluorine/bromine substitution, 4-Bromo-1,1,1,4,4-pentafluoro-2-(trifluoromethyl)but-2-ene is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 292.95 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.

CATO manufactures 4-Bromo-1,1,1,4,4-pentafluoro-2-(trifluoromethyl)but-2-ene 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 FormulaC5HBrF8
Molecular Weight292.95 g/mol
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1987
Halogen ContentF/Br-containing

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