1,2-Difluoro-4-isopropylbenzene CAS 84564-75-0
| CAS No. | 84564-75-0 |
| Molecular Formula | C9H10F2 |
| Molecular Weight | 156.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 1,2-Difluoro-4-isopropylbenzene (CAS 84564-75-0), a certified reference material (molecular formula C9H10F2, MW 156.17 g/mol) for analytical method development and quality control.
Structurally, 1,2-Difluoro-4-isopropylbenzene (C9H10F2) contains fluorine 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 156.17 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 1,2-Difluoro-4-isopropylbenzene 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 | C9H10F2 |
| Molecular Weight | 156.17 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.) | 1981 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 1,3-Difluoro-5-Isopropyl-Benzene (CAS 117358-53-9)
- 1,2-Difluoro-4-propylbenzene (CAS 1397288-27-5)
- 1,3-Difluoro-5-propylbenzene (CAS 183245-00-3)
- (2,2-Difluoro-1-methylethyl)benzene (CAS 57514-09-7)
- 2,4-Difluoro-1,3,5-trimethylbenzene (CAS 392-61-0)
- 3,4-Difluoro-5-methylbenzaldehyde (CAS 1017778-64-1)
- 3,5-Difluoro-2-methylbenzaldehyde (CAS 1017778-68-5)
- 2,6-Difluoro-4-methylbenzaldehyde (CAS 1201597-22-9)
Recommended Standards
- (1,1-Difluoropropyl)benzene (CAS 74185-83-4)
- 3-ethynyl-7,7-difluoro-norcarane (CAS 2306269-54-3)
- 1-(1,1-Difluoroethyl)-2-methylbenzene (CAS 1889024-52-5)
- 3-Methoxybenzoic acid-d4 (CAS 2098655-87-7)
- Bosentan sodium (CAS 150726-52-6)
- Ethyl 2-(4-benzyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-6-oxo-1,6-dihydropyrimidine-5-carboxylate (CAS 866137-68-0)
- 5-({[(2,5-dioxoimidazolidin-4-yl)methyl]disulfanyl}methyl)imidazolidine-2,4-dione (CAS 535-07-9)
- 1-(2-Bromo-1-(2,2,2-trifluoroethoxy)ethyl)-2-chlorobenzene (CAS 1249486-54-1)
- 2-Methylchrysene (CAS 3351-32-4)
- 2-Methylheneicosane (CAS 1560-82-3)
- Chlorpromazine (CAS 50-53-3)
- 2,6,-Dimethyl-4-(1-methylethoxy)-benzenemethanol (CAS 1506593-20-9)
- 2-(4-Fluorophenoxy)-3-methanesulfonyl-4,6-dimethylpyridine (CAS 341967-33-7)
- Liraglutide-d8 Tetratrifluoroacetate (CAS 204656-20-2 (non-labelled, free base))
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