4-((4-Bromo-1h-pyrazol-1-yl)methyl)benzohydrazide CAS 512809-88-0

Purity 97%+In StockPharmaceutical Standards
CAS No.512809-88-0
Molecular FormulaC11H11BrN4O
Molecular Weight295.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-((4-Bromo-1h-pyrazol-1-yl)methyl)benzohydrazide CAS 512809-88-0 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-((4-Bromo-1h-pyrazol-1-yl)methyl)benzohydrazide (CAS 512809-88-0), molecular formula C11H11BrN4O and molecular weight 295.14 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-((4-Bromo-1h-pyrazol-1-yl)methyl)benzohydrazide (C11H11BrN4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 295.14 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

As a certified reference material (CRM), 4-((4-Bromo-1h-pyrazol-1-yl)methyl)benzohydrazide 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 FormulaC11H11BrN4O
Molecular Weight295.14 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Halogen ContentBr-containing
Nitrogen Atoms4

Related Bromo Standards

Recommended Standards

Why CATO?