2,5-Dichloro-1-fluoro-3-methylbenzene CAS 1242339-87-2
| CAS No. | 1242339-87-2 |
| Molecular Formula | C7H5Cl2F |
| Molecular Weight | 179.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2,5-Dichloro-1-fluoro-3-methylbenzene 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.
2,5-Dichloro-1-fluoro-3-methylbenzene (CAS 1242339-87-2), molecular formula C7H5Cl2F and molecular weight 179.02 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,5-Dichloro-1-fluoro-3-methylbenzene (C7H5Cl2F) contains 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 179.02 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H5Cl2F |
| Molecular Weight | 179.02 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.) | 1990 |
| Halogen Content | F/Cl-containing |
Related Dichloro Standards
- 1,2-Dichloro-5-fluoro-3-methylbenzene (CAS 1242339-71-4)
- 1,4-Dichloro-2-fluoro-5-methylbenzene (CAS 1365969-73-8)
- 3,5-Dichloro-2-fluorotoluene (CAS 146948-70-1)
- 2,4-Dichloro-3-fluorotoluene (CAS 1803777-52-7)
- 1,3-Dichloro-2-fluoro-5-methylbenzene (CAS 1803789-06-1)
- 3,4-Dichloro-5-fluorotoluene (CAS 1803820-64-5)
- 1,4-Dichloro-2-fluoro-3-methylbenzene (CAS 1804881-43-3)
- 2,6-Dichloro-4-fluorotoluene (CAS 1806281-21-9)
Recommended Standards
- 5-bromo-1H-imidazole-2-carbaldehyde (CAS 1260876-31-0)
- 2-chloro-1-(chloromethyl)-3-fluorobenzene (CAS 1214345-35-3)
- (6-(tert-Butyl)pyridin-2-yl)boronic acid (CAS 1265478-40-7)
- (6-(tert-Butyl)pyridin-3-yl)boronic acid (CAS 1174312-53-8)
- 2-(2,3-Dimethoxyphenyl)acetimidamide (CAS 885957-50-6)
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- N-(3-(5-Methylfuran-2-yl)phenyl)acetamide (CAS 400751-26-0)
- 4,4'-(Oxybis(methylene))bis((trifluoromethyl)benzene) (CAS 162404-64-0)
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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
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