3-[(4-fluorophenyl)sulfamoyl]thiophene-2-carboxylic acid CAS 944893-98-5
| CAS No. | 944893-98-5 |
| Molecular Formula | C11H8FNO4S2 |
| Molecular Weight | 301.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[(4-fluorophenyl)sulfamoyl]thiophene-2-carboxylic acid (CAS 944893-98-5) is a high-purity analytical reference standard with the molecular formula C11H8FNO4S2 and a molecular weight of 301.31 g/mol.
Structurally, 3-[(4-fluorophenyl)sulfamoyl]thiophene-2-carboxylic acid (C11H8FNO4S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 301.31 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.
CATO manufactures 3-[(4-fluorophenyl)sulfamoyl]thiophene-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H8FNO4S2 |
| Molecular Weight | 301.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 3-(1H-Benzo[d]imidazol-2-yl)-[1,2,4]triazino[4,3-b]indazol-4-amine (CAS 61884-83-1)
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- 3-amino-6-(difluoromethyl)-4-phenylthieno[2,3-b]pyridine-2-carbonitrile (CAS 942358-04-5)
- 2-methyl-1-{4-[3-(trifluoromethyl)pyridin-2-yl]piperazino}propan-1-one (CAS 260367-81-5)
- (R)-1-(4-(Benzyloxy)phenyl)ethan-1-ol (CAS 118239-25-1)
- (E)-1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-N-((((2,4-dichlorobenzyl)oxy)imino)methyl)piperidine-4-carboxamide (CAS 338780-74-8)
- 2-(4-Chloro-3-methoxyphenyl)butanoic acid (CAS 1541511-86-7)
- 8-Isopropyl-5-methyl-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one (CAS 4726-45-8)
- 3-(3,4-Diethyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)propanoic acid (CAS 404595-17-1)
- 4',5'-Bis(4-formylphenyl)-[1,1':2',1''-terphenyl]-4,4''-dicarbaldehyde (CAS 883835-33-4)
- (E)-3-(4-((2-Chlorobenzyl)oxy)phenyl)acrylic acid (CAS 879642-95-2)
- 5-Chloro-2-[4-(chloromethyl)phenyl]-1,3-benzothiazole (CAS 1096267-76-3)
- Etoposide EP Impurity K (CAS CATO-C4X-202411)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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