3-(1,1-Dioxido-2H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-2(1H)-quinolinone 303776-73-0 CAS 303776-73-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303776-73-0 |
| Molecular Formula | C16H11N3O4S |
| Molecular Weight | 341.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-(1,1-Dioxido-2H-1,2,4-benzothiadiazin-3-yl)-4-hydroxy-2(1H)-quinolinone 303776-73-0 (CAS 303776-73-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H11N3O4S. Molecular weight: 341.34 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C16H11N3O4S |
| Molecular Weight | 341.34 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dioxido Standards
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- 5-(1,1-Dioxido-3-oxoisothiazolidin-2-yl)-2-methoxybenzenesulfonyl chloride (CAS 927966-18-5)
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Recommended Standards
- N'-benzoyl-5-nitrobenzo[b]thiophene-2-carbohydrazide (CAS 448240-46-8)
- 773877-46-6 9574AE C13H15N3O6S [[(1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-quinazolin-6-yl)sulfonyl](methyl)amino]acetic acid (CAS 773877-46-6)
- N-(4-Fluorophenyl)-3-(4-methoxyphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-11-9)
- 6-(Trifluoromethyl)tetrahydro-2H-pyran-3-carboxylic acid (CAS 1878261-64-3)
- (E)-[(5-Chloro-2-phenyl-1H-imidazol-4-yl)methylidene](propan-2-yl)amine (CAS 338392-59-9)
- 7-Methoxy-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-c]pyridine (CAS 2103352-53-8)
- N,N-Diethyl-2,5-difluorobenzamide (CAS 131401-55-3)
- 1-(Ethylamino)-4-((2-hydroxyethyl)amino)anthracene-9,10-dione (CAS 61734-59-6)
- Methyl 6-amino-7-cyano-2,3-dihydro-1H-pyrrolizine-5-carboxylate (CAS 304876-72-0)
- [3-31]-Semaglutide D (CAS C152H230N42O47)
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