3,5-Dichloro-2,4-difluoropyridine CAS 54929-26-9
| CAS No. | 54929-26-9 |
| Molecular Formula | C5HCl2F2N |
| Molecular Weight | 183.97 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 3,5-Dichloro-2,4-difluoropyridine.
CATO supplies 3,5-Dichloro-2,4-difluoropyridine (CAS 54929-26-9), a certified reference material (molecular formula C5HCl2F2N, MW 183.97 g/mol) for analytical method development and quality control.
Structurally, 3,5-Dichloro-2,4-difluoropyridine (C5HCl2F2N) contains a nitrile group, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 183.97 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,5-Dichloro-2,4-difluoropyridine 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 | C5HCl2F2N |
| Molecular Weight | 183.97 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
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Recommended Standards
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