Butyl trifluoromethanesulfonate CAS 75618-25-6
| CAS No. | 75618-25-6 |
| Molecular Formula | C5H9F3O3S |
| Molecular Weight | 206.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Butyl trifluoromethanesulfonate 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.
Butyl trifluoromethanesulfonate (CAS 75618-25-6), molecular formula C5H9F3O3S and molecular weight 206.18 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, Butyl trifluoromethanesulfonate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 206.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C5H9F3O3S |
| Molecular Weight | 206.18 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Butyl Standards
- Phenyl trifluoromethanesulfonate (CAS 17763-67-6)
- Ethyl Trifluoromethanesulfonate (CAS 425-75-2)
- Methyl trifluoromethanesulfonate (CAS 333-27-7)
- Potassium trifluoromethanesulfonate potassium trifluoromethanesulphonate Trifluoromethanesulfonic acid potassium salt Potassium triflate 2926-27-4 (CAS 2926-27-4)
- Sodium Trifluoromethanesulfonate (CAS 2926-30-9)
- Magnesium trifluoromethanesulfonate 60871-83-2 MAGNESIUM TRIFLATE;MAGNESIUM TRIFLUOROMETHANESULFONATE;MAGNESIUM TRIFLUOROMETHANESULPHONATE;TRIFLUOROMETHANESULFONIC ACID MAGNESIUM SALT SC10781 (CAS 60871-83-2)
Recommended Standards
- 5-Methanesulfonyl-1-methyl-3-nitro-1h-1,2,4-triazole (CAS 346631-21-8)
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- 4-Fluoro-N-(4H-1,2,4-triazol-4-yl)benzamide (CAS 331434-05-0)
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- (4-(1-(4-Ethylpiperazin-1-yl)ethyl)phenyl)boronic acid (CAS 1704073-57-3)
- 3-Ethynyl-5-fluorobenzonitrile (CAS 872122-56-0)
- 2-chloro-6-(1H-imidazol-1-yl)benzonitrile (CAS 287176-53-8)
- 4-(7-Chloroheptanoyl)benzonitrile (CAS 898786-22-6)
- 3-[4-(trifluoromethyl)phenyl]but-2-enoic acid (CAS 91136-84-4)
- Cefmetazole Impurity 69 (CAS CATO-C4X-150769)
- Ethyl 2-(azetidin-3-yl)propanoate hydrochloride (CAS 2231674-03-4)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
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