4-Methoxy-N-[(4E)-2-oxo-3-phenyl-1,2,3,4-tetrahydroquinazolin-4-ylidene]benzene-1-sulfonamide CAS 478043-95-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478043-95-7 |
| Molecular Formula | C21H17N3O4S |
| Molecular Weight | 407.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Methoxy-N-[(4E)-2-oxo-3-phenyl-1,2,3,4-tetrahydroquinazolin-4-ylidene]benzene-1-sulfonamide (CAS 478043-95-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H17N3O4S. Molecular weight: 407.44 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H17N3O4S |
| Molecular Weight | 407.44 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 4-Methoxy-N-(4-(quinoxalin-2-yloxy)phenyl)benzenesulfonamide (CAS 400080-05-9)
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- 1,3-Bis(2-methoxy-5-(trifluoromethyl)phenyl)urea (CAS 6064-14-8)
- 11-(3-Methoxy-4-propoxyphenyl)-3,3-dimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 337503-12-5)
- 3-Methoxy-N-[(1-methyl-1H-pyrazol-4-yl)methyl]-N-[2-(pyrrolidin-1-ylsulfonyl)ethyl]benzamide (CAS 1010864-73-9)
- 4-[(E)-2-(4-Methoxy-3-{4-[(Z)-2-(pyridin-4-yl)ethenyl]phenoxy}phenyl)ethenyl]pyridine (CAS 1171924-43-8)
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Recommended Standards
- Diisopropyl ((2,4-dimethoxyphenyl)(phenylamino)methyl)phosphonate (CAS 488090-33-1)
- 4-Benzoyl-3-hydroxy-5-(4-methoxyphenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one (CAS 439947-30-5)
- Ethyl4-((1,3-dioxoisoindolin-2-yl)methyl)-2-(phenylamino)thiazole-5-carboxylate (CAS 951624-33-2)
- 2-Cyano-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 1960-77-6)
- 1-((1S,2S)-2-(Thiophen-2-yl)cyclopropyl)ethan-1-one (CAS 1807939-46-3)
- 4-(4-(2,5-Dimethylphenyl)-5-mercapto-4H-1,2,4-triazol-3-yl)phenol (CAS 917747-34-3)
- N-(3-(1H-Benzo[d]imidazol-2-yl)phenyl)-3-(methylsulfonyl)benzamide (CAS 896291-31-9)
- 2-(5-Cyclopropylisoxazol-3-yl)acetonitrile (CAS 1225882-57-4)
- Monacolin L Acid (CAS 132685-03-1)
- Glucagon receptor antagonist I (CAS 438618-32-7)
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