5-(Thiophen-2-yl)furan-2-carboxylic acid CAS 886505-79-9
| CAS No. | 886505-79-9 |
| Molecular Formula | C9H6O3S |
| Molecular Weight | 194.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 194.21 g/mol gives 5-(Thiophen-2-yl)furan-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-(Thiophen-2-yl)furan-2-carboxylic acid (CAS 886505-79-9), a certified reference material (molecular formula C9H6O3S, MW 194.21 g/mol) for analytical method development and quality control.
5-(Thiophen-2-yl)furan-2-carboxylic acid (C9H6O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-(Thiophen-2-yl)furan-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.
Physical & Chemical Properties
| Molecular Formula | C9H6O3S |
| Molecular Weight | 194.21 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- 5-(Thiophen-2-yl)-1,2-oxazole-3-carboxamide (CAS 1019656-18-8)
- 5-(Thiophen-3-yl)-1h-pyrazole-3-carboxylic acid (CAS 1029108-69-7)
- 5-(Thiophen-2-yl)pyrimidine-2,4-diol (CAS 109299-90-3)
- 5-(Thiophen-3-yl)pyrimidine-2,4-diol (CAS 109428-23-1)
- 4-(Thiophen-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 117784-24-4)
- 3-(Thiophen-3-yl)-1h-pyrazole-4-carboxylic acid (CAS 1249642-34-9)
- 3-(Thiophen-2-yl)furan-2-carboxylic acid (CAS 875160-15-9)
- 5-(Thiophen-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 879996-80-2)
Recommended Standards
- 5-(Thiophen-2-yl)-4H-pyrazole-3-carboxylic acid (CAS 904813-23-6)
- 5-(Thiophen-3-yl)furan-2-carboxylic acid (CAS 560993-95-5)
- 5-[1-Thiophen-2-yl-meth-(E)-ylidene]-imidazolidine-2,4-dione (CAS 89939-28-6)
- 5-(Furan-2-yl)thiophene-2-carboxylic acid (CAS 868755-62-8)
- 3-(4-acetyl-5-methyl-2-furyl)propanoic acid (CAS 858247-32-2)
- 5-Cyclopropoxy-4-iodo-N-methylpyridin-3-amine (CAS 1243407-02-4)
- 3-(2-((2-Amino-2-oxoethyl)thio)-4,6-dimethylpyrimidin-5-yl)propanoic acid (CAS 873208-65-2)
- 3-(4-Fluorobenzyl)-2-thioxo-2,3-dihydroquinazolin-4(1h)-one (CAS 431980-10-8)
- 2-(2-Methoxyethoxy)-benzonitrile (CAS 540753-14-8)
- 1-Methyl-3-(trifluoromethyl)-5-[3-(trifluoromethyl)phenoxy]-1H-pyrazole-4-carbonitrile (CAS 318469-13-5)
- Fenfuram Impurity 20 (CAS 353783-22-9)
- 4-Bromo-3,5-bis(trifluoromethyl)aniline (CAS 268733-18-2)
- 5-Oxo-5-(p-tolylamino)pentanoic acid (CAS 71195-71-6)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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