1,2,4-Trichloro-5-(difluoromethoxy)benzene CAS 1261853-01-3
| CAS No. | 1261853-01-3 |
| Molecular Formula | C7H3Cl3F2O |
| Molecular Weight | 247.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1,2,4-Trichloro-5-(difluoromethoxy)benzene 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.
CATO supplies 1,2,4-Trichloro-5-(difluoromethoxy)benzene (CAS 1261853-01-3), a certified reference material (molecular formula C7H3Cl3F2O, MW 247.45 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H3Cl3F2O, 1,2,4-Trichloro-5-(difluoromethoxy)benzene contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 247.45 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).
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 | C7H3Cl3F2O |
| Molecular Weight | 247.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
Related Trichloro Standards
- 1,3,5-Trichloro-2-(difluoromethoxy)benzene (CAS 1261457-01-5)
- 2,4,6-Trichloro-8-methylquinazoline (CAS 1080622-95-2)
- 2,6,7-Trichloro-3-methylquinoxaline (CAS 212771-50-1)
- 2,2,2-Trichloro-1-(thiazol-2-ylamino)ethan-1-ol (CAS 35317-79-4)
- Trichloro(2-ethylhexyl)silane (CAS 222058-04-0)
- 2,2,2-trichloro-1-(4-chloro-1H-pyrrol-2-yl)ethanone (CAS 72652-31-4)
- 4,5,8-Trichloro-2-methylquinoline (CAS 1203-36-7)
- 2,3,6-Trichloro-8-methylquinoline (CAS 1447961-72-9)
Recommended Standards
- 1,3-Difluoro-2-(trichloromethoxy)benzene (CAS 1404194-34-8)
- 2-Cyanophenylzinc bromide 0.5 M in Tetrahydrofuran (CAS 131379-17-4)
- 1,3-Difluoro-5-(trichloromethoxy)benzene (CAS 1404194-36-0)
- 4-Cyanophenylzinc bromide (CAS 131379-14-1)
- Pavinetant (CAS 941690-55-7)
- 6-Hydroxy-4-(((2-methoxy-5-methylphenyl)amino)methyl)-7-phenyl-2H-chromen-2-one (CAS 850735-36-3)
- 3-(isothiocyanatomethyl)-5-methyl-1,2-oxazole (CAS 1250698-35-1)
- 2-Amino-N-(6-methoxybenzo[d]thiazol-2-yl)acetamide (CAS 1573548-46-5)
- 5-Bromo-n-(1,3,5-trimethyl-1h-pyrazol-4-yl)thiophene-2-sulfonamide (CAS 899239-25-9)
- 1-[3-(Trifluoromethyl)benzyl]cyclopropanecarboxylic acid (CAS 29765-44-4)
- 2-(3-Chlorophenyl)-8-methylimidazo[1,2-a]pyridine-3-carbaldehyde (CAS 898380-05-7)
- Edoxaban Impurity 85 (CAS 480451-97-6)
- methyl 4-(diethoxyphosphoryl)-3-methylbut-2-enoate (CAS 19945-56-3)
- Neuroendocrine Regulatory Peptide-4 (human, mouse, rat) (H-7266.1000) (CAS 922704-18-5)
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