4-Bromo-1-(tetrahydrofuran-3-yl)-1H-pyrazole CAS 1040377-07-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1040377-07-8
Molecular FormulaC7H9BrN2O
Molecular Weight217.06 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Bromo-1-(tetrahydrofuran-3-yl)-1H-pyrazole CAS 1040377-07-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 217.06 g/mol gives 4-Bromo-1-(tetrahydrofuran-3-yl)-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Bromo-1-(tetrahydrofuran-3-yl)-1H-pyrazole (CAS 1040377-07-8), molecular formula C7H9BrN2O and molecular weight 217.06 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an amide group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 4-Bromo-1-(tetrahydrofuran-3-yl)-1H-pyrazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 217.06 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), 4-Bromo-1-(tetrahydrofuran-3-yl)-1H-pyrazole 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 FormulaC7H9BrN2O
Molecular Weight217.06 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Halogen ContentBr-containing
Nitrogen Atoms2

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Why CATO?