339-27-5 Benzene, 1,1'-(difluoromethylene)bis[4-fluoro- CTK1B1446 CAS 339-27-5
| CAS No. | 339-27-5 |
| Molecular Formula | C13H8F4 |
| Molecular Weight | 240.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to fluorine substitution, an aromatic ring system, 339-27-5 Benzene, 1,1'-(difluoromethylene)bis[4-fluoro- CTK1B1446 is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 240.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
339-27-5 Benzene, 1,1'-(difluoromethylene)bis[4-fluoro- CTK1B1446 (CAS 339-27-5) is a high-purity analytical reference standard with the molecular formula C13H8F4 and a molecular weight of 240.20 g/mol.
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 339-27-5 Benzene, 1,1'-(difluoromethylene)bis[4-fluoro- CTK1B1446 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 | C13H8F4 |
| Molecular Weight | 240.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related Benzene Standards
- 766-85-8 Benzene, 1-iodo-3-methoxy- 3-Iodoanisole Anisole, m-iodo- EINECS 212-173-1 m-Iodoanisole 1-Iodo-3-methoxybenzene m-Methoxyiodobenzene 3-Methoxyphenyl iodide NSC 60726 (CAS 766-85-8)
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- Benzene-1,4-disulfonic acid (CAS 31375-02-7)
- benzene-1,4-disulfonyl difluoride (CAS 35426-72-3)
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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