4-Chloro-5-iodo-2-phenylpyridine CAS 1805038-02-1
| CAS No. | 1805038-02-1 |
| Molecular Formula | C11H7ClIN |
| Molecular Weight | 315.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Chloro-5-iodo-2-phenylpyridine (C11H7ClIN) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 315.54 g/mol, it falls into the moderately-high-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.
4-Chloro-5-iodo-2-phenylpyridine (CAS 1805038-02-1), molecular formula C11H7ClIN and molecular weight 315.54 g/mol, is a CATO reference standard with documented purity and traceability.
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-iodo-2-phenylpyridine 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 | C11H7ClIN |
| Molecular Weight | 315.54 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- Ethyl 6-bromo-4-chloro-1,5-naphthyridine-3-carboxylate (CAS 1083181-13-8)
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- ditert-butyl 5,8-dioxo-4,7-diazaspiro[2.5]octane-4,7-dicarboxylate (CAS 1012781-79-1)
- Etrasimod Impurity 55 (CAS CATO-C4X-321455)
- Pyrrole (CAS 109-97-7)
- 5-Bromothieno[2,3-b]pyridine-6-methanol (CAS 1346600-55-2)
- (2R,3R)-2-(2,4-DIFLUOROPHENYL)-3-(4-METHYLENEPIPERIDIN-1-YL)-1-(1H-1,2,4-TRIAZOL-1-YL)BUTAN-2-OL (CAS 164905-19-5)
- Methyl 2-(6-(methylthio)pyrimidin-4-yl)acetate (CAS 946422-10-2)
- 4-(Azetidin-3-yloxy)benzonitrile (CAS 949100-15-6)
- Liraglutide Impurity 19 TFA Salt (CAS CATO-C4X-199219)
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