4-Chloro-3-pyridinecarbonitrile CAS 89284-61-7
| CAS No. | 89284-61-7 |
| Molecular Formula | C6H3ClN2 |
| Molecular Weight | 138.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Chloro-3-pyridinecarbonitrile 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.
4-Chloro-3-pyridinecarbonitrile (CAS 89284-61-7) is a high-purity analytical reference standard with the molecular formula C6H3ClN2 and a molecular weight of 138.55 g/mol.
4-Chloro-3-pyridinecarbonitrile (C6H3ClN2) contains a nitrile group, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C6H3ClN2 |
| Molecular Weight | 138.55 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-5-ethynylpyrazine (CAS 1196153-73-7)
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Recommended Standards
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- 6-Chloropyridine-2-carbonitrile (CAS 33252-29-8)
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- (E)-{[2-(4-chloro-3-fluorophenoxy)phenyl]methylidene}[(2,6-dichlorophenyl)methoxy]amine (CAS 478039-27-9)
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- 6,6-Dimethyl-2-azaspiro[3.3]heptane hydrochloride (CAS 2230802-69-2)
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