(E)-1-[(1-Chloro-3,4-dihydronaphthalen-2-yl)methylidene]-2-(4-methylphenyl)hydrazine CAS 1351286-49-1
| CAS No. | 1351286-49-1 |
| Molecular Formula | C18H17ClN2 |
| Molecular Weight | 296.79 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 (E)-1-[(1-Chloro-3,4-dihydronaphthalen-2-yl)methylidene]-2-(4-methylphenyl)hydrazine.
(E)-1-[(1-Chloro-3,4-dihydronaphthalen-2-yl)methylidene]-2-(4-methylphenyl)hydrazine (CAS 1351286-49-1), molecular formula C18H17ClN2 and molecular weight 296.79 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H17ClN2, (E)-1-[(1-Chloro-3,4-dihydronaphthalen-2-yl)methylidene]-2-(4-methylphenyl)hydrazine 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 296.79 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), (E)-1-[(1-Chloro-3,4-dihydronaphthalen-2-yl)methylidene]-2-(4-methylphenyl)hydrazine 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 | C18H17ClN2 |
| Molecular Weight | 296.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 4-Methyl-2-(4-(trifluoromethoxy)phenyl)thiazole-5-carboxylic acid (CAS 187998-69-2)
- 2-(3-Chlorophenyl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-ol (CAS 2416673-69-1)
- 6-Methoxy-2-phenylpyridazin-3(2H)-one (CAS 14634-50-5)
- N-(5,6-Dimethyl-1-propyl-1H-1,3-benzodiazol-4-yl)-4-methoxybenzene-1-sulfonamide (CAS 338423-72-6)
- Msi-1436 (CAS 186139-09-3)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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