4,5-Difluoro-2-methylbenzodifluoride CAS 1803825-58-2
| CAS No. | 1803825-58-2 |
| Molecular Formula | C8H6F4 |
| Molecular Weight | 178.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Difluoro-2-methylbenzodifluoride (CAS 1803825-58-2) is a high-purity analytical reference standard with the molecular formula C8H6F4 and a molecular weight of 178.13 g/mol.
Structurally, 4,5-Difluoro-2-methylbenzodifluoride (C8H6F4) contains 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 178.13 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.
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.
CATO manufactures 4,5-Difluoro-2-methylbenzodifluoride 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 | C8H6F4 |
| Molecular Weight | 178.13 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 |
| 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.) | 1995 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2,2-Difluoro-2-(3-oxocyclopentyl)acetic acid (CAS 1780193-51-2)
- 2,5-Difluoro-4-methylbenzodifluoride (CAS 1803735-01-4)
- 2,6-Difluoro-3-methylbenzodifluoride (CAS 1803792-93-9)
- 2,3-Difluoro-6-methylbenzodifluoride (CAS 1803813-05-9)
- 2,3-Difluoro-5-methylbenzodifluoride (CAS 1803825-52-6)
- 2,4-Difluoro-6-methylbenzodifluoride (CAS 1803826-64-3)
- 3,6-Difluoro-2-methylbenzodifluoride (CAS 1803847-29-1)
- 2,3-Difluoro-4-methylbenzodifluoride (CAS 1803851-65-1)
Recommended Standards
- 2,5-Difluoro-3-methylbenzodifluoride (CAS 1804417-66-0)
- 2-(3,6-Dihydro-2H-pyran-4-yl)-2,2-difluoroacetic acid (CAS 1780960-02-2)
- 3,4-Difluoro-2-methylbenzodifluoride (CAS 1806293-70-8)
- 3,5-Difluoro-2-methylbenzodifluoride (CAS 1806307-02-7)
- (S)-5-Fluoro-2,3-dihydro-1H-inden-1-amine hydrochloride (CAS 2103399-35-3)
- 2-(Methoxymethyl)benzoic acid (CAS 88550-19-0)
- 4-Chloro-6-(difluoromethyl)-2-hydroxy-3-methylpyridine (CAS 1805413-01-7)
- 6-Bromo-3-methylpyrimidin-4(3H)-one (CAS 1611464-74-4)
- 3-(((4-Chlorobenzyl)thio)methyl)-5-((4-fluorobenzyl)thio)-4-phenyl-4H-1,2,4-triazole (CAS 344270-29-7)
- (S)-(+)-6-Methyl-1-octanol (CAS 110453-78-6)
- 2-(Bromomethyl)chromane (CAS 852181-00-1)
- (2R,3R,4R,5R)-2-{4-amino-7h-pyrrolo[2,3-d]pyrimidin-7-yl}-3-ethenyl-5-(hydroxymethyl)oxolane-3,4-diol (CAS 443642-57-7)
- N-(2-(2-Methylthiazol-4-yl)phenyl)-2-(1H-1,2,4-triazol-1-yl)acetamide (CAS 1797094-94-0)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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