m-Tolylmagnesium Bromide, 1.0 M solution in THF CAS 28987-79-3

Purity 97%+In StockPharmaceutical Standards
CAS No.28987-79-3
Molecular FormulaC7H7
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

m-Tolylmagnesium Bromide, 1.0 M solution in THF CAS 28987-79-3 chemical structure

Description

The occurrence of m-Tolylmagnesium Bromide, 1.0 M solution in THF is closely related to a salt form, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

m-Tolylmagnesium Bromide, 1.0 M solution in THF (CAS 28987-79-3), molecular formula C7H7BrMg and molecular weight 195.34 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H7BrMg, m-Tolylmagnesium Bromide, 1.0 M solution in THF contains a salt form, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 195.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), m-Tolylmagnesium Bromide, 1.0 M solution in THF 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 FormulaC7H7 Br Mg
Molecular Weight195.34 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Halogen ContentBr-containing

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