5-(5-Nitropyridin-2-yl)thiophene-2-carboxylic acid 656227-40-6 CAS 656227-40-6
| CAS No. | 656227-40-6 |
| Molecular Formula | C10H6N2O4S |
| Molecular Weight | 250.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(5-Nitropyridin-2-yl)thiophene-2-carboxylic acid 656227-40-6 (CAS 656227-40-6), molecular formula C10H6N2O4S and molecular weight 250.23 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 5-(5-Nitropyridin-2-yl)thiophene-2-carboxylic acid 656227-40-6 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 250.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 5-(5-Nitropyridin-2-yl)thiophene-2-carboxylic acid 656227-40-6 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 | C10H6N2O4S |
| Molecular Weight | 250.23 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Nitropyridin Standards
- n-(2-((5-Nitropyridin-2-yl)amino)ethyl)cyclopropanecarboxamide (CAS 1258695-65-6)
- 1-(3-Nitropyridin-2-yl)piperidine-4-carboxamide (CAS 668462-40-6)
- 1-(4-(5-Nitropyridin-2-yl)piperazin-1-yl)ethan-1-one (CAS 941119-19-3)
- N-(5-nitropyridin-2-yl)piperidine-4-carboxamide (CAS 752944-99-3)
- N-(5-nitropyridin-2-yl)cyclohexanecarboxamide (CAS 543686-13-1)
- N-(5-nitropyridin-2-yl)thiophene-2-carboxamide (CAS 90765-66-5)
- 1-((5-Nitropyridin-2-yl)amino)cyclopentane-1-carboxylic acid (CAS 866157-46-2)
- 1-(3-Nitropyridin-2-yl)piperidine-3-carboxylic acid (CAS 937606-75-2)
Recommended Standards
- 0937AE 34301-40-1 5-[(4-Nitrophenyl)methylene]-1,3-thiazolane-2,4-dione C10H6N2O4S (CAS 34301-40-1)
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- n-(4-Fluorobenzyl)-1-methyl-4-nitro-1h-imidazol-5-amine (CAS 923706-25-6)
- Piracetam Impurity 26 (CAS CATO-C4X-123526)
- 3-(Azetidin-2-yl)phenol (CAS 777887-24-8)
- 4,6-Diamino-2-oxo-1-phenyl-2,3-dihydro-1h-pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS 124476-81-9)
- 2-Hydroxy-5-methylnicotinamide (CAS 1822892-18-1)
- 1-(4-Fluorophenyl)propane-1-sulfonamide (CAS 1250791-93-5)
- Lutetium(III) nitrate hydrate (CAS 100641-16-5)
- 1-(2,6-dichlorophenyl)-5-ethyl-1H-1,2,4-triazole-3-carboxylic acid (CAS 1154206-26-4)
- N-(Cyclopentyl(morpholino)methylene)-7-fluoroquinoxalin-6-amine (CAS 920034-20-4)
- 4-Oxo-4-(o-tolyl)butanoic acid (CAS 6939-36-2)
- 3-Nitro-N-[3-(trifluoromethyl)phenyl]benzenecarboximidamide (CAS 339009-83-5)
- Prolactin-Releasing Peptide (12-31), rat (CAS 222988-10-5)
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