Ethyl 2-(acetylamino)-4,5,6,7-tetrahydro-7-(hydroxyimino)benzo[b]thiophene-3-carboxylate CAS 108940-07-4
| CAS No. | 108940-07-4 |
| Molecular Formula | C13H16N2O4S |
| Molecular Weight | 296.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies Ethyl 2-(acetylamino)-4,5,6,7-tetrahydro-7-(hydroxyimino)benzo[b]thiophene-3-carboxylate (CAS 108940-07-4), a certified reference material (molecular formula C13H16N2O4S, MW 296.34 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H16N2O4S, Ethyl 2-(acetylamino)-4,5,6,7-tetrahydro-7-(hydroxyimino)benzo[b]thiophene-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 296.34 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 | C13H16N2O4S |
| Molecular Weight | 296.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1988 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(Phenylsulfonyl)-1,2-dihydroisoquinoline-1-carbonitrile (CAS 1035-19-4)
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- Tert-butyl 3-[(4-fluoro-2-methylphenyl)amino]-3-oxopropylcarbamate (CAS 1016698-11-5)
- 3-Fluoro-4-(propylsulfonamido)benzenesulfonamide (CAS 1094230-99-5)
- 1-(3-(Dimethylamino)propyl)-1H-benzo[d]imidazol-5-amine trihydrochloride (CAS 1245569-20-3)
- Methyl 4-[4-(4-bromobenzenesulfonyl)piperazin-1-yl]-3-nitrobenzoate (CAS 478246-39-8)
- 6-Bromo-2-methyl-4-nitro-1H-benzo[d]imidazole (CAS 713530-56-4)
- Macitentan Impurity 57 (CAS CATO-C4X-117557)
- Baloxavir Impurity C149 (CAS 2136287-68-6)
- Platinum(IV) chloride (CAS 13454-96-1)
- 2-{[4-(3-bromothiophen-2-yl)-1,3-thiazol-2-yl]methyl}-1,3-thiazol-4-ol (CAS 860785-66-6)
- 2-Chloro-N-(3-methyl-1-oxo-1-((4-(pyridin-2-yl)thiazol-2-yl)amino)butan-2-yl)benzamide (CAS 956958-66-0)
- Carboetomidate (CAS 1257067-10-9)
- Endo-[Glu]31-Liraglutide (CAS CATO-C4X-199234)
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