5-cyclopropyl-2-(4-fluorophenyl)-6-(methylsulfonamido)benzofuran-3-carboxylic acid CAS 691857-54-2
| CAS No. | 691857-54-2 |
| Molecular Formula | C19H16FNO5S |
| Molecular Weight | 389.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-cyclopropyl-2-(4-fluorophenyl)-6-(methylsulfonamido)benzofuran-3-carboxylic acid is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 5-cyclopropyl-2-(4-fluorophenyl)-6-(methylsulfonamido)benzofuran-3-carboxylic acid (CAS 691857-54-2), a certified reference material (molecular formula C19H16FNO5S, MW 389.40 g/mol) for analytical method development and quality control.
Structurally, 5-cyclopropyl-2-(4-fluorophenyl)-6-(methylsulfonamido)benzofuran-3-carboxylic acid (C19H16FNO5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 389.40 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 5-cyclopropyl-2-(4-fluorophenyl)-6-(methylsulfonamido)benzofuran-3-carboxylic 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 | C19H16FNO5S |
| Molecular Weight | 389.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related cyclopropyl Standards
- Ethyl 2-(3-cyclopropyl-4-(difluoromethyl)-6-(1,5-dimethyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate (CAS 1171643-63-2)
- 1-Cyclopropyl-6-fluoro-8-methoxy-7-(3-((methylamino)methyl)pyrrolidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 112811-75-3)
- Ethyl 2-(3-cyclopropyl-4-(difluoromethyl)-6-(4-fluorophenyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate (CAS 1011376-91-2)
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- 2-((2-Cyclopropyl-7,8-dimethoxy-2h-chromen-5-yl)methyl)-3-(phenylamino)acrylonitrile (CAS 192315-08-5)
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- 1-(2-(5-Cyclopropyl-3-(thiophen-2-yl)-1H-pyrazol-1-yl)ethyl)-3-(2,6-difluorophenyl)urea (CAS 1797245-09-0)
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Recommended Standards
- 4-Bromo-3-(((tert-butyldimethylsilyl)oxy)methyl)-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole (CAS 2569617-51-0)
- 6-Acetonyldihydrosanguinarine (CAS 37687-34-6)
- 4-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methoxybenzoic acid (CAS 254737-60-5)
- Cyano(6-methoxynaphthalen-2-yl)methyl ((3-phenyloxiran-2-yl)methyl) carbonate (CAS 863223-43-2)
- 2-(2-Phenyl-1h-benzo[d]imidazo[1,2-a]imidazol-1-yl)ethan-1-ol (CAS 36289-13-1)
- 3-(2-(Ethylthio)ethyl)piperidine (CAS 1249122-86-8)
- 3-Methoxy-17-methylestra-2,5(10)-dien-17β-ol (CAS 19590-65-9)
- Methyl 3-[3-(aminomethyl)phenyl]propanoate hydrochloride (CAS 223490-68-4)
- 2-(Pyrrolidin-1-yl)pyrimidine-5-carboxylic acid (CAS 253315-06-9)
- Methyl 3-((chlorosulfonyl)methyl)benzoate (CAS 174961-63-8)
- 8-Chloro-5-methylpyrido[3,4-d]pyrimidin-4(3H)-one (CAS 2227201-91-2)
- 6-Hydroxy-1-methyl-3,4-dihydronaphthalene-2-carbaldehyde (CAS 847585-92-6)
- 2-(Aminomethyl)-4-(difluoromethyl)-6-methoxypyridine-3-carboxaldehyde (CAS 1361902-14-8)
- Peptide 442 (CAS CATO-CPTD788442)
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