4-(3-Bromobut-3-en-1-yl)-1,2-dichlorobenzene CAS 951893-03-1

Purity 97%+In StockPharmaceutical Standards
CAS No.951893-03-1
Molecular FormulaC10H9BrCl2
Molecular Weight279.99 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(3-Bromobut-3-en-1-yl)-1,2-dichlorobenzene CAS 951893-03-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 279.99 g/mol gives 4-(3-Bromobut-3-en-1-yl)-1,2-dichlorobenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(3-Bromobut-3-en-1-yl)-1,2-dichlorobenzene (CAS 951893-03-1), molecular formula C10H9BrCl2 and molecular weight 279.99 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-(3-Bromobut-3-en-1-yl)-1,2-dichlorobenzene (C10H9BrCl2) contains chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 279.99 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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-(3-Bromobut-3-en-1-yl)-1,2-dichlorobenzene 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 FormulaC10H9BrCl2
Molecular Weight279.99 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl/Br-containing

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