N-(5-Methylisoxazol-3-yl)-5-nitrothiophene-2-carboxamide CAS 477546-55-7
| CAS No. | 477546-55-7 |
| Molecular Formula | C9H7N3O4S |
| Molecular Weight | 253.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(5-Methylisoxazol-3-yl)-5-nitrothiophene-2-carboxamide.
CATO supplies N-(5-Methylisoxazol-3-yl)-5-nitrothiophene-2-carboxamide (CAS 477546-55-7), a certified reference material (molecular formula C9H7N3O4S, MW 253.23 g/mol) for analytical method development and quality control.
N-(5-Methylisoxazol-3-yl)-5-nitrothiophene-2-carboxamide (C9H7N3O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures N-(5-Methylisoxazol-3-yl)-5-nitrothiophene-2-carboxamide 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 | C9H7N3O4S |
| Molecular Weight | 253.23 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related N Standards
- (5-Methylisoxazol-3-yl)(1,4-dioxa-8-azaspiro[4.5]Decan-8-yl)methanone (CAS 701908-58-9)
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- n-((5-Methylisoxazol-3-yl)methyl)-4-(trifluoromethyl)aniline (CAS 1275068-12-6)
- [2-(3-methylisoxazol-5-yl)pyrrolidin-1-yl]-[(2S)-pyrrolidin-2-yl]methanone (CAS 1290186-26-3)
- 2-{[(5-methylisoxazol-3-yl)methyl]thio}benzoic acid (CAS 854357-41-8)
- 1'-(5-Methylisoxazol-3-yl)-[1,3'-bipyrrolidine]-2',5'-dione (CAS 89143-24-8)
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Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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