1-Chloro-4-ethoxy-3,5-difluoro-2-methylbenzene CAS 1881321-95-4
| CAS No. | 1881321-95-4 |
| Molecular Formula | C9H9ClF2O |
| Molecular Weight | 206.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-Chloro-4-ethoxy-3,5-difluoro-2-methylbenzene (C9H9ClF2O) contains a hydroxyl group, an ether linkage, fluorine/chlorine 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 206.62 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-Chloro-4-ethoxy-3,5-difluoro-2-methylbenzene (CAS 1881321-95-4) is a high-purity analytical reference standard with the molecular formula C9H9ClF2O and a molecular weight of 206.62 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.
As a certified reference material (CRM), 1-Chloro-4-ethoxy-3,5-difluoro-2-methylbenzene 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.
Physical & Chemical Properties
| Molecular Formula | C9H9ClF2O |
| Molecular Weight | 206.62 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.) | 1995 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 1-CHloro-2,4-difluoro-5-(propan-2-yloxy)benzene (CAS 1394934-12-3)
- 5-CHloro-1,3-difluoro-2-(propan-2-yloxy)benzene (CAS 1395038-96-6)
- 2-[Chloro(difluoro)methoxy]-1,3-dimethyl-benzene (CAS 1404194-47-3)
- 2-[Chloro(difluoro)methoxy]-1,4-dimethyl-benzene (CAS 1404195-03-4)
- 6-Chloro-1,1-difluorospiro[2.5]Oct-5-ene-5-carbaldehyde (CAS 1513853-82-1)
- 4-Chloro-6-(difluoromethyl)-2-isopropylpyrimidine (CAS 1706456-02-1)
- (6-Chloro-3-(difluoromethyl)-2-methylpyridin-4-yl)methanamine (CAS 1805377-45-0)
- (2-Chloro-6-(difluoromethyl)-3-methylpyridin-4-yl)methanamine (CAS 1805377-49-4)
Recommended Standards
- 5-Chloro-1,3-difluoro-2-propoxybenzene (CAS 1881294-06-9)
- 1-Chloro-2,5-difluoro-4-propoxybenzene (CAS 1881331-57-2)
- 1-Chloro-2,3-difluoro-4-isopropoxybenzene (CAS 1881293-24-8)
- 1-Chloro-2,4-difluoro-5-propoxybenzene (CAS 1881332-77-9)
- 2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(2,4,5-trifluorophenyl)acetamide (CAS 303091-66-9)
- (R)-3-(tert-Butyl)morpholine (CAS 1286768-66-8)
- (R)-2,6-Diamino-6-oxohexanoic acid (CAS 14258-23-2)
- Copper Oxychloride (CAS 1332-40-7)
- N-(3-Fluoro-4-methylphenyl)-5-methyl-12-oxo-5H,5aH,6H,7H,8H,9H,10H,12H-azepino[2,1-b]quinazoline-3-carboxamide (CAS 1775395-97-5)
- 2-[(2-Methoxyphenyl)methyl]cyclopentan-1-ol (CAS 1251199-92-4)
- (2-(9H-Carbazol-9-yl)ethyl)phosphonic acid (CAS 20999-38-6)
- (E)-2-((1H-Indol-3-yl)methylene)hydrazinecarboxamide (CAS 7356-95-8)
- 5,3’-Dihydroxy-7,4’-dimethoxyflavone (CAS 32174-62-2)
- TRAF6 Peptide trifluoroacetate salt (CAS 852805-92-6)
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