3,5-Bis(fluorosulfonyl)benzoic acid CAS 3473-90-3
| CAS No. | 3473-90-3 |
| Molecular Formula | C7H4F2O6S2 |
| Molecular Weight | 286.23 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 3,5-Bis(fluorosulfonyl)benzoic acid (CAS 3473-90-3), a certified reference material (molecular formula C7H4F2O6S2, MW 286.23 g/mol) for analytical method development and quality control.
The molecular framework of 3,5-Bis(fluorosulfonyl)benzoic acid (C7H4F2O6S2) is characterized by a carbohydrate-derived structure, a sulfone group, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), 3,5-Bis(fluorosulfonyl)benzoic acid 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 | C7H4F2O6S2 |
| Molecular Weight | 286.23 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, water |
| 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.) | 1957 |
| Halogen Content | F-containing |
| Sulfur Atoms | 2 |
Related Bis Standards
- 5-(Fluorosulfonyl)isophthalic acid (CAS 6972-44-7)
- Phenyl (4-(fluorosulfonyl)phenyl)carbamate (CAS 21315-97-9)
- 3-(Fluorosulfonyl)-5-((trimethylsilyl)ethynyl)benzoic acid (CAS 2088829-06-3)
- 4-(Fluorosulfonyl)-1-hydroxy-2-naphthoic acid (CAS 839-78-1)
- Potassium (Fluorosulfonyl)(trifluoromethanesulfonyl)imide (CAS 860653-59-4)
- benzyl 2-[(fluorosulfonyl)methyl]piperidine-1-carboxylate (CAS 2060057-04-5)
- 3-(Fluorosulfonyl)-4-(1-methylethyl)-benzoic acid (CAS 21322-94-1)
- 2-(4-(Fluorosulfonyl)phenoxy)acetic acid (CAS 34380-54-6)
Recommended Standards
- 2-(((4-Bromophenyl)thio)methyl)piperidine (CAS 83782-74-5)
- Catechol-beta-D-Glucuronide (CAS 28623-57-6)
- (2R,3R,5R)-5-(4-Amino-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-4,4-difluoro-2-(hydroxymethyl)tetrahydrofuran-3-ol (CAS 156058-35-4)
- Imirestat (CAS 89391-50-4)
- S-(2-Amino-5-ethoxyphenyl) ethanethioate (CAS 471911-21-4)
- [(3-Methylthiophen-2-yl)methyl](prop-2-en-1-yl)amine hydrochloride (CAS 1158382-32-1)
- 4-(Difluoromethyl)-2-methoxy-6-(trifluoromethyl)nicotinic acid (CAS 1805265-23-9)
- 2-Amino-1-morpholinoethanone hydrochloride (CAS 24152-96-3)
- 3-(Piperidin-4-yl)-1,2-oxazole-4-carboxylic acid (CAS 1334493-51-4)
- N-(2-Hydroxy-3-methoxy-2-methylpropyl)-[1,1'-biphenyl]-4-carboxamide (CAS 1334372-12-1)
- 4'-Methoxy-2',3'-dihydrospiro[imidazolidine-4,1'-indene]-2,5-dione (CAS 1334147-85-1)
- 4-Methyl-1-(3-(methylsulfonyl)propyl)-1h-pyrazol-3-amine (CAS 1342028-94-7)
- Aceclofenac Impurity 16 (CAS CATO-C4X-153116)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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