4-Methyl-3,3',5'-trichlorobenzophenone CAS 951891-06-8
| CAS No. | 951891-06-8 |
| Molecular Formula | C14H10ClIO |
| Molecular Weight | 356.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a hydroxyl group, an ether linkage, chlorine/iodine substitution, a polycyclic aromatic system, 4-Methyl-3,3',5'-trichlorobenzophenone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 356.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 4-Methyl-3,3',5'-trichlorobenzophenone (CAS 951891-06-8), a certified reference material (molecular formula C14H10ClIO, MW 356.59 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 4-Methyl-3,3',5'-trichlorobenzophenone 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 | C14H10ClIO |
| Molecular Weight | 356.59 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl/I-containing |
Related Methyl Standards
Recommended Standards
- 4-Chloro-4-iodo-3-methylbenzophenone (CAS 951891-23-9)
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- 3-Chloro-2-iodo-4-methylbenzophenone (CAS 951890-92-9)
- 898784-08-2 2-(4-Chlorophenyl)-1-(4-iodophenyl)ethan-1-one DTXSID20642305 (CAS 898784-08-2)
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