5-Bromo-1-phenyl-1H-pyrazole-4-carbonitrile CAS 76767-44-7
| CAS No. | 76767-44-7 |
| Molecular Formula | C10H6BrN3 |
| Molecular Weight | 248.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 248.08 g/mol gives 5-Bromo-1-phenyl-1H-pyrazole-4-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-1-phenyl-1H-pyrazole-4-carbonitrile (CAS 76767-44-7), molecular formula C10H6BrN3 and molecular weight 248.08 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Bromo-1-phenyl-1H-pyrazole-4-carbonitrile (C10H6BrN3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, 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 248.08 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.
CATO manufactures 5-Bromo-1-phenyl-1H-pyrazole-4-carbonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H6BrN3 |
| Molecular Weight | 248.08 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
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Recommended Standards
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