(E)-3-(4-(4-bromo-1H-pyrazol-1-yl)phenyl)acrylic acid CAS 1216366-99-2
| CAS No. | 1216366-99-2 |
| Molecular Formula | C12H9BrN2O2 |
| Molecular Weight | 293.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (E)-3-(4-(4-bromo-1H-pyrazol-1-yl)phenyl)acrylic acid.
CATO supplies (E)-3-(4-(4-bromo-1H-pyrazol-1-yl)phenyl)acrylic acid (CAS 1216366-99-2), a certified reference material (molecular formula C12H9BrN2O2, MW 293.12 g/mol) for analytical method development and quality control.
Structurally, (E)-3-(4-(4-bromo-1H-pyrazol-1-yl)phenyl)acrylic acid (C12H9BrN2O2) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 293.12 g/mol, it falls into the medium-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.
As a certified reference material (CRM), (E)-3-(4-(4-bromo-1H-pyrazol-1-yl)phenyl)acrylic acid 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 Formula | C12H9BrN2O2 |
| Molecular Weight | 293.12 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related E Standards
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Recommended Standards
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