7,8-Dihydro-5(6H)-quinazolinone CAS 21599-28-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21599-28-0 |
| Molecular Formula | C8H8N2O |
| Molecular Weight | 148.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 7,8-Dihydro-5(6H)-quinazolinone (CAS 21599-28-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H8N2O. Molecular weight: 148.16 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H8N2O |
| Molecular Weight | 148.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- 2,3-Dihydro-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde (CAS 1060803-16-8)
- 1,2-Dihydro-2,7-naphthyridin-3(4H)-one (CAS 1123169-61-8)
- 2,3-Dihydro-1,6-naphthyridin-4(1H)-one (CAS 1211528-58-3)
- 7-Methyl-6,7-dihydro-5H-pyrrolo[3,4-b]pyridin-5-one (CAS 1330755-99-1)
- 5,6-Dihydro-1,6-naphthyridin-7(8H)-one (CAS 1393545-38-4)
- 3,4-Dihydro-1,6-naphthyridin-2(1H)-one (CAS 14757-41-6)
- 7,8-dihydro-1,6-naphthyridin-5(6H)-one (CAS 155058-02-9)
- 1,4-Dihydro-2,6-naphthyridin-3(2H)-one (CAS 37125-44-3)
Recommended Standards
- 7,8-DIHYDRO-1,7-NAPHTHYRIDIN-6(5H)-ONE (CAS 853648-47-2)
- 7,8-Dihydroquinazolin-6(5H)-one (CAS 944895-73-2)
- 6-Methylisobenzofuran-1(3H)-one (CAS 72985-23-0)
- Methyl 2-(3-amino-4-methoxyphenyl)acetate (CAS 63304-82-5)
- N',N'-Dimethylfuran-2-carbohydrazide (CAS 159239-28-8)
- 2-Bromo-1,2,3,4-tetrahydronaphthalene (CAS 54753-94-5)
- 8-Hydroxy Mianserin ß-D-Glucuronide (CAS 140695-49-4)
- n-Cyclopentyl-2-(4-(2-hydroxyethyl)piperazin-1-yl)acetamide (CAS 1333822-74-4)
- 6-((tert-Butoxycarbonyl)(methyl)amino)hexanoic acid (CAS 100222-98-8)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com