4-(fluorosulfonyl)-1H-pyrrole-2-carboxylic acid CAS 1909319-52-3
| CAS No. | 1909319-52-3 |
| Molecular Formula | C5H4FNO4S |
| Molecular Weight | 193.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(fluorosulfonyl)-1H-pyrrole-2-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.
4-(fluorosulfonyl)-1H-pyrrole-2-carboxylic acid (CAS 1909319-52-3) is a high-purity analytical reference standard with the molecular formula C5H4FNO4S and a molecular weight of 193.15 g/mol.
Structurally, 4-(fluorosulfonyl)-1H-pyrrole-2-carboxylic acid (C5H4FNO4S) contains a carbohydrate-derived structure, an amide group, a sulfone group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 193.15 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H4FNO4S |
| Molecular Weight | 193.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-(Cyanomethyl)-2-(difluoromethyl)isonicotinonitrile (CAS 1806784-96-2)
- (2S,3R,4S,5R)-2-(Nitromethyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 20204-84-6)
- 3-(Cyanomethyl)-4-(difluoromethyl)picolinonitrile (CAS 1806784-75-7)
- 1,1-Difluoro-4-oxa-7-azaspiro[2.5]octane-6-carboxylic acid (CAS 2765271-37-0)
- 5-azaspiro[2.5]octan-6-one (CAS 1378599-96-2)
- 3-[(Diethylamino)methyl]phenylboronic Acid (CAS 944483-39-0)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(p-tolyl)-1h-pyrazole (CAS 2223012-84-6)
- 5-(bromomethyl)-5-methyl-1,3-dioxan-2-one (CAS 1346562-84-2)
- 4-(tert-Butoxy)-2-hydroxybenzaldehyde (CAS 1243282-19-0)
- n-Methyl-2-(propan-2-yl)-1,3-benzoxazol-5-amine dihydrochloride (CAS 1432681-36-1)
- 3-((tert-Butoxycarbonyl)amino)hex-5-enoic acid (CAS 1335042-76-6)
- tert-Butyl (3,4-dichloro-6-fluoro-9H-pyrido[2,3-b]indol-8-yl)(methyl)carbamate (CAS 2245358-17-0)
- Isobutyl 2-oxo-2-phenylacetate (CAS 31197-67-8)
- Semaglutide (CAS CATO-C4X-2226105)
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