2-((8-Ethoxy-4-methylquinazolin-2-yl)amino)-5,6,7,8-tetrahydroquinazolin-4(3H)-one CAS 524055-95-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 524055-95-6 |
| Molecular Formula | C19H21N5O2 |
| Molecular Weight | 351.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((8-Ethoxy-4-methylquinazolin-2-yl)amino)-5,6,7,8-tetrahydroquinazolin-4(3H)-one (CAS 524055-95-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C19H21N5O2. Molecular weight: 351.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H21N5O2 |
| Molecular Weight | 351.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 5 |
Related Ethoxy Standards
- 2-((6-Ethoxy-4-methylquinazolin-2-yl)amino)-5,6,7,8-tetrahydroquinazolin-4(3H)-one (CAS 524055-98-9)
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Recommended Standards
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- 5,6-Dihydroxycyclohex-5-ene-1,2,3,4-tetraone dihydrate (CAS 63183-44-8)
- 3-Bromo-5-(3,3,3-trifluoropropoxy)pyridine (CAS 1339651-78-3)
- Methyl 1-cyclopropyl-4-oxo-3-piperidinecarboxylate (CAS 908095-31-8)
- Methyl 5-chloro-2-hydrazinylbenzoate (CAS 1261105-30-9)
- Triptorelin Impurity 8 (CAS CATO-C4X-18628)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
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