3,3-Difluorocyclobutane-1-sulfonamide CAS 2171856-86-1
| CAS No. | 2171856-86-1 |
| Molecular Formula | C4H7F2NO2S |
| Molecular Weight | 171.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3,3-Difluorocyclobutane-1-sulfonamide 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.
CATO supplies 3,3-Difluorocyclobutane-1-sulfonamide (CAS 2171856-86-1), a certified reference material (molecular formula C4H7F2NO2S, MW 171.17 g/mol) for analytical method development and quality control.
Structurally, 3,3-Difluorocyclobutane-1-sulfonamide (C4H7F2NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 171.17 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.
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 | C4H7F2NO2S |
| Molecular Weight | 171.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Difluorocyclobutane Standards
- ethyl 3,3-difluorocyclobutane-1-carboxylate (CAS 681128-38-1)
- 3,3-Difluorocyclobutane-1,1-dicarboxylic acid (CAS 827032-80-4)
- 3,3-difluorocyclobutane-1-carbonyl chloride (CAS 946488-78-4)
- 3,3-Difluorocyclobutane-1-sulfonyl chloride (CAS 1310729-90-8)
- (3,3-difluorocyclobutane-1,1-diyl)dimethanamine (CAS 1446422-58-7)
- 2,2-difluorocyclobutane-1-carboxylic acid (CAS 1150518-74-3)
- (R)-2,2-Difluorocyclobutane-1-carboxylic acid (CAS 2742942-02-3)
- (S)-2,2-Difluorocyclobutane-1-carboxylic acid (CAS 2750509-66-9)
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