4-Chloro-6-iodo-3-methoxy-2-methylpyridine CAS 2791314-16-2
| CAS No. | 2791314-16-2 |
| Molecular Formula | C7H7ClINO |
| Molecular Weight | 283.49 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 4-Chloro-6-iodo-3-methoxy-2-methylpyridine.
4-Chloro-6-iodo-3-methoxy-2-methylpyridine (CAS 2791314-16-2) is a high-purity analytical reference standard with the molecular formula C7H7ClINO and a molecular weight of 283.49 g/mol.
Structurally, 4-Chloro-6-iodo-3-methoxy-2-methylpyridine (C7H7ClINO) contains an amide group, a hydroxyl group, an ether linkage, chlorine/iodine substitution, an aromatic ring system. 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 283.49 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.
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), 4-Chloro-6-iodo-3-methoxy-2-methylpyridine 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 | C7H7ClINO |
| Molecular Weight | 283.49 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 4-Chloro-2-iodo-5-methoxyaniline (CAS 1236162-19-8)
- 4-Chloro-5-iodo-2-methoxyaniline (CAS 1508278-49-6)
- 5-Chloro-2-ethoxy-3-iodopyridine (CAS 1826110-06-8)
- 6-Chloro-3-ethoxy-2-iodopyridine (CAS 1881463-83-7)
- 2-Chloro-4-iodo-6-methoxyaniline (CAS 723324-78-5)
- 2-Chloro-5-ethoxy-4-iodopyridine (CAS 877133-33-0)
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- 3-Chloro-4-iodo-2-methoxyaniline (CAS 943831-01-4)
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- Necrostatin 2 S-Enantiomer (CAS 852391-20-9)
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