1,1-Difluoro-3-methylcyclohexane CAS 74185-73-2
| CAS No. | 74185-73-2 |
| Molecular Formula | C7H12F2 |
| Molecular Weight | 134.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1-Difluoro-3-methylcyclohexane (CAS 74185-73-2) is a high-purity analytical reference standard with the molecular formula C7H12F2 and a molecular weight of 134.17 g/mol.
1,1-Difluoro-3-methylcyclohexane (C7H12F2) contains fluorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 1,1-Difluoro-3-methylcyclohexane 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 | C7H12F2 |
| Molecular Weight | 134.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 1,1-Difluoro-2-methylcyclohexane (CAS 74185-72-1)
- 1,1-Difluoro-4-methylcyclohexane (CAS 74185-74-3)
- 7,7-Difluoro-2,5-diazabicyclo[4.1.0]Heptane (CAS 2167882-13-3)
- 2,2-Difluoro-7-oxabicyclo[4.1.0]heptane (CAS 1109284-38-9)
- 1-(2,2-Difluoro-1-methylcyclopropyl)ethan-1-one (CAS 128073-32-5)
- 6,6-Difluoro-3-hydroxybicyclo[3.1.0]hexane (CAS 883731-66-6)
- 6,6-Difluoro-5-hexen-2-one (CAS 76083-55-1)
- Difluoro-2,5-dihydrofuran-2,5-dione (CAS 669-78-3)
Recommended Standards
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- 1,1-difluorocycloheptane (CAS 27371-42-2)
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- 1,1-Dimethoxy-2-butanol (CAS 7472-25-5)
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- 3-((3-Methoxybenzyl)thio)-4-methyl-5-(thiophen-2-yl)-4h-1,2,4-triazole (CAS 678546-61-7)
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