(S)-3-(4-bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile CAS 2183286-19-1
| CAS No. | 2183286-19-1 |
| Molecular Formula | C11H14BrN3 |
| Molecular Weight | 268.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-3-(4-bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile (CAS 2183286-19-1), molecular formula C11H14BrN3 and molecular weight 268.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H14BrN3, (S)-3-(4-bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), (S)-3-(4-bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile 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 | C11H14BrN3 |
| Molecular Weight | 268.15 g/mol |
| Purity | >95% |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- (R)-3-(4-Bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile (CAS 1146629-83-5)
- Ruxolitinib Impurity 13 (CAS CATO-C4X-2058113)
- 3-(4-Bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile (CAS 1822969-98-1)
- Ruxolitinib Impurity 14 (CAS CATO-C4X-2058114)
- 8-Bromo-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyridine (CAS 1159812-34-6)
- 5-Bromo-3-methylpyridin-2-amine (CAS 3430-21-5)
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- Q-Peptide trifluoroacetate salt (CAS 1361235-89-3)
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