4-Chloro-5-iodonicotinonitrile CAS 959972-34-0
| CAS No. | 959972-34-0 |
| Molecular Formula | C6H2ClIN2 |
| Molecular Weight | 264.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Chloro-5-iodonicotinonitrile is closely related to a nitrile group, chlorine/iodine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-Chloro-5-iodonicotinonitrile (CAS 959972-34-0), a certified reference material (molecular formula C6H2ClIN2, MW 264.45 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H2ClIN2, 4-Chloro-5-iodonicotinonitrile contains a nitrile group, chlorine/iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 4-Chloro-5-iodonicotinonitrile 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 | C6H2ClIN2 |
| Molecular Weight | 264.45 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 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.) | 1987 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-4-iodonicotinonitrile (CAS 1171919-75-7)
- 6-Chloro-4-iodopicolinonitrile (CAS 1564978-89-7)
- 6-Chloro-2-iodonicotinonitrile (CAS 1887237-28-6)
- 2-Chloro-3-iodoisonicotinonitrile (CAS 908279-56-1)
- 2-Chloro-5-iodonicotinonitrile (CAS 766515-34-8)
- 6-Chloro-5-iodonicotinonitrile (CAS 856213-95-1)
- 114431-96-8 3-chloro-2-(dichloromethyl)-5-(trifluoromethyl)pyridine KS-0000242Q (CAS 114431-96-8)
- (2-Chloro-3-cyclopropyl-5-(trifluoromethyl)phenyl)boronic acid (CAS 2225169-22-0)
Recommended Standards
- γ-Linolenyl Alcohol (CAS 24149-05-1)
- 2,2,6,6,7,8,8-Heptamethyldecahydro-2H-indeno[4,5-b]furan (CAS 476332-65-7)
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- tert-butyl 4-isocyanatobutanoate (CAS 76197-90-5)
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