5-Methyl-4-oxo-3,4-dihydro-2H-thieno[3,2-e][1,2,3]thiadiazine-6-carbohydrazide 1,1-dioxide CAS 731776-49-1
| CAS No. | 731776-49-1 |
| Molecular Formula | C7H8N4O4S2 |
| Molecular Weight | 276.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H8N4O4S2, 5-Methyl-4-oxo-3,4-dihydro-2H-thieno[3,2-e][1,2,3]thiadiazine-6-carbohydrazide 1,1-dioxide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 276.29 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).
5-Methyl-4-oxo-3,4-dihydro-2H-thieno[3,2-e][1,2,3]thiadiazine-6-carbohydrazide 1,1-dioxide (CAS 731776-49-1) is a high-purity analytical reference standard with the molecular formula C7H8N4O4S2 and a molecular weight of 276.29 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C7H8N4O4S2 |
| Molecular Weight | 276.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Recommended Standards
- 5-Methoxy-12,13,17-triazatetracyclo[8.7.0.0^{2,7}.0^{12,16}]heptadeca-1(17),2(7),3,5,10,13,15-heptaene-15-carbonitrile (CAS 866145-92-8)
- 6-((tert-Butoxycarbonyl)amino)-1H-indole-3-carboxylic acid (CAS 2151817-37-5)
- 5-Benzyl-1-(2-hydroxyethoxymethyl)uracil (CAS 82857-69-0)
- 6-((tert-Butoxycarbonyl)amino)-1h-indole-4-carboxylicacid (CAS 948015-63-2)
- 6-Bromo-7-chloro[1,2,4]triazolo[1,5-a]pyridine (CAS 2168013-02-1)
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- 7-Methyl-4-nitro-1H-indole (CAS 10553-07-8)
- Semaglutide impurity 100 (CAS CATO-C4X-2226100)
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