1583-83-1 AB1005582 |A,|A-Difluoro-p-methylanisole; 4-(Difluoromethoxy)toluene; 4-(Difluoromethoxy)toluene CAS 1583-83-1
| CAS No. | 1583-83-1 |
| Molecular Formula | C8H8F2O |
| Molecular Weight | 158.15 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 1583-83-1 AB1005582 |A,|A-Difluoro-p-methylanisole; 4-(Difluoromethoxy)toluene; 4-(Difluoromethoxy)toluene.
1583-83-1 AB1005582 |A,|A-Difluoro-p-methylanisole; 4-(Difluoromethoxy)toluene; 4-(Difluoromethoxy)toluene (CAS 1583-83-1) is a high-purity analytical reference standard with the molecular formula C8H8F2O and a molecular weight of 158.15 g/mol.
Structurally, 1583-83-1 AB1005582 |A,|A-Difluoro-p-methylanisole; 4-(Difluoromethoxy)toluene; 4-(Difluoromethoxy)toluene (C8H8F2O) contains a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 158.15 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1583-83-1 AB1005582 |A,|A-Difluoro-p-methylanisole; 4-(Difluoromethoxy)toluene; 4-(Difluoromethoxy)toluene 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 | C8H8F2O |
| Molecular Weight | 158.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 1957 |
| Halogen Content | F-containing |
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com