2-Chloro-3,4-difluoro-1-methylbenzene CAS 1026525-97-2
| CAS No. | 1026525-97-2 |
| Molecular Formula | C7H5ClF2 |
| Molecular Weight | 162.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H5ClF2, 2-Chloro-3,4-difluoro-1-methylbenzene contains fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 162.56 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).
CATO supplies 2-Chloro-3,4-difluoro-1-methylbenzene (CAS 1026525-97-2), a certified reference material (molecular formula C7H5ClF2, MW 162.56 g/mol) for analytical method development and quality control.
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 2-Chloro-3,4-difluoro-1-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.
Physical & Chemical Properties
| Molecular Formula | C7H5ClF2 |
| Molecular Weight | 162.56 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.) | 1988 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 3-Chloro-2,6-difluorotoluene (CAS 1208075-98-2)
- 5-Chloro-1,3-difluoro-2-methylbenzene (CAS 1208076-23-6)
- 3-CHloro-2,4-difluorotoluene (CAS 1208078-10-7)
- 1-Chloro-3,5-difluoro-2-methylbenzene (CAS 1261488-03-2)
- 1-Chloro-2,3-difluoro-5-methylbenzene (CAS 1261685-47-5)
- 2-chloro-1,5-difluoro-3-methylbenzene (CAS 1261737-12-5)
- 1-Chloro-2,3-difluoro-4-methylbenzene (CAS 1261737-51-2)
- 1-Chloro-2-(difluoromethyl)benzene (CAS 161525-55-9)
Recommended Standards
- Capecitabine Impurity 35 (CAS 1801-06-5)
- 5-Chloro-3-fluorobenzene-1,2-diol (CAS 645405-05-6)
- 4-Chloro-6-(fluoromethyl)-1,3,5-triazin-2-amine (CAS 253870-34-7)
- 2,3-Difluoro-6-chlorotoluene (CAS 1208077-23-9)
- N-(2-((2-Methoxy-5-methylphenyl)amino)-2-oxoethyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 1147281-32-0)
- 3-Iodo-1H-pyrrolo[2,3-b]pyridin-5-amine (CAS 1190309-87-5)
- 2-Amino-1-(2,6-dimethylmorpholino)-2-phenylethan-1-one (CAS 1101782-86-8)
- 5-Chloro-3-(4,5-dihydro-1H-imidazol-2-yl)-1-methyl-1H-indazole (CAS 1649964-27-1)
- Ethyl 2-(5-chloro-4-(trifluoromethyl)pyridin-2-yl)acetate (CAS 1393584-41-2)
- 64017-87-4 3-chloro-N-(furan-2-ylmethyl)propanamide DTXSID50393217 (CAS 64017-87-4)
- Relugolix Impurity 162 (CAS CATO-C4X-2429162)
- 7-Nitro-5-(trifluoromethyl)benzo[d]thiazol-2(3H)-one (CAS 37681-12-2)
- 4-aminocyclohex-1-ene-1-carboxylic acid (CAS 13372-08-2)
- (Glu1)-Fibrinopeptide B (human) (CAS 103213-49-6)
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