1,3-Difluoro-2-(isocyano(tosyl)methyl)benzene CAS 668990-76-9
| CAS No. | 668990-76-9 |
| Molecular Formula | C15H11F2NO2S |
| Molecular Weight | 307.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1,3-Difluoro-2-(isocyano(tosyl)methyl)benzene 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.
1,3-Difluoro-2-(isocyano(tosyl)methyl)benzene (CAS 668990-76-9) is a high-purity analytical reference standard with the molecular formula C15H11F2NO2S and a molecular weight of 307.32 g/mol.
Structurally, 1,3-Difluoro-2-(isocyano(tosyl)methyl)benzene (C15H11F2NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 307.32 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C15H11F2NO2S |
| Molecular Weight | 307.32 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Difluoro Standards
- 1,2-Difluoro-4-(isocyano(tosyl)methyl)benzene (CAS 321345-37-3)
- 2,4-Difluoro-1-(isocyano(tosyl)methyl)benzene (CAS 660431-66-3)
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