Dibenzo[b,d]furan-2-sulfonic acid CAS 83863-63-2
| CAS No. | 83863-63-2 |
| Molecular Formula | C12H8O4S |
| Molecular Weight | 248.25 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.
Dibenzo[b,d]furan-2-sulfonic acid (CAS 83863-63-2), molecular formula C12H8O4S and molecular weight 248.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H8O4S, Dibenzo[b,d]furan-2-sulfonic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), Dibenzo[b,d]furan-2-sulfonic 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 | C12H8O4S |
| Molecular Weight | 248.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Sulfur Atoms | 1 |
Related Dibenzo Standards
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- Dibenzo[d,f][1,3,2]dioxaphosphepin, 6-chloro- (CAS 16611-68-0)
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Recommended Standards
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- Ethyl 1-(4-fluorophenyl)-3-methyl-1H-pyrazole-5-carboxylate (CAS 288251-64-9)
- 5-Fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole-4-carbaldehyde (CAS 2768872-25-7)
- Methyl 3-formyl-1-methanesulfonyl-1H-indole-2-carboxylate (CAS 860611-92-3)
- 1-(4-Aminopiperidin-1-yl)butan-2-ol (CAS 1183757-80-3)
- 7-Chloropyrazolo[1,5-a]pyrimidine-6-carbonyl chloride (CAS 1028286-02-3)
- 2-(1-Methyl-2-oxopyrrolidin-3-yl)-2-oxoacetic acid (CAS 60044-07-7)
- (3R,4S,5S,6R)-6-(acetoxymethyl)-3-fluorotetrahydro-2H-pyran-2,4,5-triyl triacetate (CAS 262607-48-7)
- 2-(tert-Butyl)imidazo[1,2-a]pyrimidine (CAS 887360-66-9)
- 1-Amino-3-(furan-2-yl)-2-methylpropan-2-ol (CAS 1082532-59-9)
- (6-(Trifluoromethyl)benzo[d]thiazol-2-yl)methanol (CAS 1540617-68-2)
- (3,4-Dichlorophenyl)(3,4-difluorophenyl)methanone (CAS 844885-31-0)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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