5-(4-Chlorophenyl)-2,3-diphenyl-2H-tetrazol-3-ium chloride CAS 10557-51-4
| CAS No. | 10557-51-4 |
| Molecular Formula | C19H14ClN4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(4-Chlorophenyl)-2,3-diphenyl-2H-tetrazol-3-ium chloride 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.
5-(4-Chlorophenyl)-2,3-diphenyl-2H-tetrazol-3-ium chloride (CAS 10557-51-4) is a high-purity analytical reference standard with the molecular formula C19H14ClN4Cl and a molecular weight of 369.25 g/mol.
Based on its molecular formula C19H14ClN4Cl, 5-(4-Chlorophenyl)-2,3-diphenyl-2H-tetrazol-3-ium chloride 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 369.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C19H14ClN4 Cl |
| Molecular Weight | 369.25 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorophenyl Standards
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- N-(2-Chlorophenyl)-5-methyl-1-phenyl-1H-1,2,4-triazole-3-carboxamide (CAS 1000572-01-9)
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- Methyl 1-(2-chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylate (CAS 1000576-85-1)
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- 1-(2-Chlorophenyl)-5-oxo-N-phenyl-2,5-dihydro-1H-1,2,4-triazole-3-carboxamide (CAS 1000577-29-6)
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Recommended Standards
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- (3β,5β,14β)-21,23-Epoxy-24-Norchola-20,22-diene-3,14,17-triol (CAS 156722-18-8)
- 6-(4-Ethoxybenzyl)-3-(pyridin-3-ylamino)-1,2,4-triazin-5(4H)-one (CAS 905780-57-6)
- Tert-butyl 1-amino-4-ethylcyclohexane-1-carboxylate (CAS 1184513-43-6)
- 4-(Cyanomethyl)-5-(difluoromethyl)-3-iodopicolinonitrile (CAS 1807085-92-2)
- 1-Boc-4-(4-ethynyl-1-pyrazolyl)piperidine (CAS 1076224-02-6)
- (3-Aminopropyl)phosphinic acid (CAS 103680-47-3)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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