3,3'',5,5''-Tetrachloro-1,1':3',1''-terphenyl CAS 500729-84-0
| CAS No. | 500729-84-0 |
| Molecular Formula | C18H10Cl4 |
| Molecular Weight | 368.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3,3'',5,5''-Tetrachloro-1,1':3',1''-terphenyl (CAS 500729-84-0) is a high-purity analytical reference standard with the molecular formula C18H10Cl4 and a molecular weight of 368.08 g/mol.
Based on its molecular formula C18H10Cl4, 3,3'',5,5''-Tetrachloro-1,1':3',1''-terphenyl contains chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 368.08 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).
CATO manufactures 3,3'',5,5''-Tetrachloro-1,1':3',1''-terphenyl 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 | C18H10Cl4 |
| Molecular Weight | 368.08 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
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Why CATO?
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