2,5-Bis(bromomethyl)-1-methoxy-4-(3′,7′-dimethyloctyloxy)benzene CAS 287919-00-0

Purity 97%+In StockPharmaceutical Standards
CAS No.287919-00-0
Molecular FormulaC19H30Br2O2
Molecular Weight450.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,5-Bis(bromomethyl)-1-methoxy-4-(3′,7′-dimethyloctyloxy)benzene CAS 287919-00-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 450.25 g/mol gives 2,5-Bis(bromomethyl)-1-methoxy-4-(3′,7′-dimethyloctyloxy)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,5-Bis(bromomethyl)-1-methoxy-4-(3′,7′-dimethyloctyloxy)benzene (CAS 287919-00-0), molecular formula C19H30Br2O2 and molecular weight 450.25 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2,5-Bis(bromomethyl)-1-methoxy-4-(3′,7′-dimethyloctyloxy)benzene (C19H30Br2O2) contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution. 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 450.25 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC19H30Br2O2
Molecular Weight450.25 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentBr-containing

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Why CATO?