6,7-Dimethoxy-2-(4-morpholino-5,6-dihydropyrido[3,4-d]pyrimidin-7(8H)-yl)quinazolin-4(3H)-one CAS 441064-73-9
| CAS No. | 441064-73-9 |
| Molecular Formula | C21H24N6O4 |
| Molecular Weight | 424.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-Dimethoxy-2-(4-morpholino-5,6-dihydropyrido[3,4-d]pyrimidin-7(8H)-yl)quinazolin-4(3H)-one (CAS 441064-73-9) is a high-purity analytical reference standard with the molecular formula C21H24N6O4 and a molecular weight of 424.45 g/mol.
6,7-Dimethoxy-2-(4-morpholino-5,6-dihydropyrido[3,4-d]pyrimidin-7(8H)-yl)quinazolin-4(3H)-one (C21H24N6O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6,7-Dimethoxy-2-(4-morpholino-5,6-dihydropyrido[3,4-d]pyrimidin-7(8H)-yl)quinazolin-4(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H24N6O4 |
| Molecular Weight | 424.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
Related Dimethoxy Standards
- 6-(9,10-Dimethoxy-5,11-dioxo-6a,11-dihydroisoindolo[2,1-a]quinazolin-6(5H)-yl)hexanoic acid (CAS 1630763-97-1)
- 2-((3-Benzyl-8,9-dimethoxy-2-oxo-2,3-dihydroimidazo[1,2-c]quinazolin-5-yl)thio)acetamide (CAS 1024708-47-1)
- 1775384-87-6 2,4-Dimethoxy-N-{1-[2-methyl-6-(trifluoromethyl)pyrimidin-4-yl]piperidin-4-yl}benzamide MFCD28805951 (CAS 1775384-87-6)
- 2,4-Dimethoxy-1,3,5-triazine (CAS 1898-72-2)
- N'-(3-(((6,7-Dimethoxy-5-methyl-4-oxo-1,4-dihydroquinazolin-2-yl)(methyl)amino)methyl)phenyl)-N,N-dimethylacetimidamide (CAS 828244-42-4)
- Methyl 2-((4,5-dimethoxy-2-(2-methoxy-2-oxoethyl)phenyl)sulfonamido)benzoate (CAS 497061-14-0)
- N-(4,5-Dimethoxy-2-(2-phenylacetyl)phenyl)-4-methylbenzenesulfonamide (CAS 886493-72-7)
- 2-Ethyl-8,9-dimethoxy-5-{[(2,4,6-trimethylphenyl)methyl]sulfanyl}-[1,2,4]triazolo[1,5-c]quinazoline (CAS 860650-33-5)
Recommended Standards
- 4-((1-Methyl-2,4-dioxo-6-(3-phenylprop-1-yn-1-yl)-1,2-dihydroquinazolin-3(4H)-yl)methyl)benzoic acid (CAS 451471-51-5)
- Ethyl 2-cyano-3-(3-ethoxy-4-(2-((4-methoxyphenyl)amino)-2-oxoethoxy)phenyl)acrylate (CAS 334497-37-9)
- 3-{[3-(benzyloxy)phenyl]methylidene}-9-oxo-1h,2h,3h,9h-pyrrolo[2,1-b]quinazoline-6-carboxylic acid (CAS 745808-40-6)
- Ethyl 3-carbamoyl-2-(5-nitrothiophene-2-carboxamido)-4,7-dihydrothieno[2,3-c]pyridine-6(5H)-carboxylate (CAS 864925-73-5)
- 3-(4-Methylphenyl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 31827-28-8)
- Ethyl 5-(4-chloro-3-methylphenyl)-1H-pyrazole-3-carboxylate (CAS 1029295-67-7)
- Benzyl Tiglate (CAS 37526-88-8)
- 2,3,6-Trichloro-7-nitroquinoxaline (CAS 121830-25-9)
- Buspirone Impurity N1 (CAS 5662-95-3)
- Azithromycin EP Impurity N (CAS 612069-25-7)
- 1-(2-Hydroxy-4-(morpholinosulfonyl)phenyl)-3-methylimidazolidine-2,4-dione (CAS 1710283-47-8)
- 4-Chloro-N-(4-(3-oxo-3-(thiazol-2-ylamino)propyl)thiazol-2-yl)benzamide (CAS 1021255-48-0)
- Methyl 3-(2-Cyanoacetamido)thiophene-2-carboxylate (CAS 549516-71-4)
- Exenatide (CAS 141758-74-9)
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