[4-(difluoromethane)sulfonylphenyl]methyl acetate CAS 1221722-64-0
| CAS No. | 1221722-64-0 |
| Molecular Formula | C10H10F2O4S |
| Molecular Weight | 264.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[4-(difluoromethane)sulfonylphenyl]methyl acetate (CAS 1221722-64-0) is a high-purity analytical reference standard with the molecular formula C10H10F2O4S and a molecular weight of 264.25 g/mol.
Structurally, [4-(difluoromethane)sulfonylphenyl]methyl acetate (C10H10F2O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 264.25 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), [4-(difluoromethane)sulfonylphenyl]methyl acetate 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 | C10H10F2O4S |
| Molecular Weight | 264.25 g/mol |
| Purity | 97%+ |
| 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 |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related difluoromethane Standards
Recommended Standards
- (2S)-2,3-Dihydro-2-phenyl-6-(trifluoromethyl)imidazo[1,2-a]pyridine (CAS 1208867-88-2)
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- Ethyl 2-(3-fluoro-6-methoxy-1,5-naphthyridin-4-yl)acetate (CAS 1207621-43-9)
- 2-((1-(1h-Pyrazol-1-yl)propan-2-yl)amino)-N-(2,2,2-trifluoroethyl)acetamide (CAS 1293088-45-5)
- 2-(2,5-Dimethoxybenzylidene)-6-methyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 606955-36-6)
- Methyl 3,6-dibromo-2-methoxy-1-naphthoate (CAS 1198475-39-6)
- 1,5-dihydro-4H-pyrazolo[4,3-c]quinolin-4-one (CAS 897657-55-5)
- 2,2'-((4-Methylbenzyl)azanediyl)bis(ethan-1-ol) (CAS 91554-08-4)
- 1-(Bromomethyl)isoquinoline hydrobromide (CAS 337508-56-2)
- N-(2-Chlorophenyl)-2-cyano-3-(5-phenylfuran-2-yl)acrylamide (CAS 304896-16-0)
- 5-(Bromomethyl)thiazole hydrobromide (CAS 956003-84-2)
- Ethyl 4-ethyl-6-methylpyrazolo[1,5-a]pyrazine-2-carboxylate, 97% (CAS 1947415-56-6)
- (5Z)-5-[(2Z)-2-(6-ethoxy-1-methylquinolin-2(1H)-ylidene)ethylidene]-8-oxo-5,8-dihydroquinolinium (CAS 6759-90-6)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
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