Ethyl 2-amino-5-carbamoyl-4-methylthiophene-3-carboxylate CAS 43028-63-3
| CAS No. | 43028-63-3 |
| Molecular Formula | C9H12N2O3S |
| Molecular Weight | 228.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 2-amino-5-carbamoyl-4-methylthiophene-3-carboxylate 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.
CATO supplies Ethyl 2-amino-5-carbamoyl-4-methylthiophene-3-carboxylate (CAS 43028-63-3), a certified reference material (molecular formula C9H12N2O3S, MW 228.27 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H12N2O3S, Ethyl 2-amino-5-carbamoyl-4-methylthiophene-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 228.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C9H12N2O3S |
| Molecular Weight | 228.27 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Methyl 4-(3-(benzyloxy)isoxazol-5-yl)piperidine-1-carboxylate (CAS 841259-39-0)
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