4,4''-Dichloro-5'-(1H-imidazol-1-yl)-[1,1':3',1''-terphenyl]-2'-amine CAS 647835-45-8
| CAS No. | 647835-45-8 |
| Molecular Formula | C21H15Cl2N3 |
| Molecular Weight | 380.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4,4''-Dichloro-5'-(1H-imidazol-1-yl)-[1,1':3',1''-terphenyl]-2'-amine (CAS 647835-45-8), molecular formula C21H15Cl2N3 and molecular weight 380.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H15Cl2N3, 4,4''-Dichloro-5'-(1H-imidazol-1-yl)-[1,1':3',1''-terphenyl]-2'-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 380.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 4,4''-Dichloro-5'-(1H-imidazol-1-yl)-[1,1':3',1''-terphenyl]-2'-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H15Cl2N3 |
| Molecular Weight | 380.27 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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- Insulin Degludec Impurity 16 (CAS CATO-C4X-215716)
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