2,3-Dichloro-1-methyl-4-(trifluoromethyl)benzene CAS 115571-58-9
| CAS No. | 115571-58-9 |
| Molecular Formula | C8H5Cl2F3 |
| Molecular Weight | 229.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,3-Dichloro-1-methyl-4-(trifluoromethyl)benzene (CAS 115571-58-9) is a high-purity analytical reference standard with the molecular formula C8H5Cl2F3 and a molecular weight of 229.03 g/mol.
Based on its molecular formula C8H5Cl2F3, 2,3-Dichloro-1-methyl-4-(trifluoromethyl)benzene contains fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 229.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2,3-Dichloro-1-methyl-4-(trifluoromethyl)benzene 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 | C8H5Cl2F3 |
| Molecular Weight | 229.03 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 |
| 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
- 2,4-Dichloro-1-(2,2,2-trifluoroethyl) benzene 2,4-dichloro-1-(2,2,2-trifluoroethyl)-benzene 1092350-09-8 (CAS 1092350-09-8)
- 1,2-Dichloro-4-(2,2,2-trifluoroethyl)benzene (CAS 1099597-16-6)
- 1,3-Dichloro-2-(2,2,2-trifluoroethyl)benzene (CAS 1099598-25-0)
- 1,5-Dichloro-2-(1,1-difluoroethyl)-4-fluorobenzene (CAS 1138444-97-9)
- 1,3-Dichloro-2-(1,1-difluoroethyl)-4-fluorobenzene (CAS 1138444-99-1)
- 1,2-Dichloro-3-methyl-4-(trifluoromethyl)benzene (CAS 115571-59-0)
- 1,5-Dichloro-2-methyl-4-(trifluoromethyl)benzene (CAS 115571-61-4)
- 1,3-Dichloro-2-methyl-4-(trifluoromethyl)benzene (CAS 115571-64-7)
Recommended Standards
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- 3-Bromo-2-methylpyrazolo[1,5-d][1,2,4]triazin-7-ol (CAS 1215295-89-8)
- 4-Bromo-α,α,α-trifluorotoluene-d4 (CAS 1219799-09-3)
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- 3-[2-chloro-n-(4-methoxyphenyl)acetamido]propanamide (CAS 325776-52-1)
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- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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