5,6,7-Trimethoxy-2-(4-(pyridin-2-yl)piperazin-1-yl)quinazolin-4(1H)-one CAS 828256-53-7
| CAS No. | 828256-53-7 |
| Molecular Formula | C20H23N5O4 |
| Molecular Weight | 397.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6,7-Trimethoxy-2-(4-(pyridin-2-yl)piperazin-1-yl)quinazolin-4(1H)-one (C20H23N5O4) 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).
5,6,7-Trimethoxy-2-(4-(pyridin-2-yl)piperazin-1-yl)quinazolin-4(1H)-one (CAS 828256-53-7), molecular formula C20H23N5O4 and molecular weight 397.43 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5,6,7-Trimethoxy-2-(4-(pyridin-2-yl)piperazin-1-yl)quinazolin-4(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H23N5O4 |
| Molecular Weight | 397.43 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.) | 1986 |
| Nitrogen Atoms | 5 |
Related Trimethoxy Standards
- 3,4,5-Trimethoxy-N-methyl-N-((7-methyl-2-oxo-1,2-dihydroquinolin-3-yl)methyl)benzamide (CAS 1396980-07-6)
- (Z)-3,4’,5-Trimethoxy-3’-(tert-butyldimethylsilyloxy)stilbene (CAS 586410-23-3)
- 4-(3,4,5-Trimethoxy-benzylidene)-1,2,3,4-tetrahydro-acridine-9-carboxylic acid (CAS 647036-24-6)
- 3,4,5-Trimethoxy-N-{[(4-nitrophenyl)carbamothioyl]amino}benzamide (CAS 891408-05-2)
- 5,6,7-Trimethoxy-2-(7-methoxybenzo[d][1,3]dioxol-5-yl)-4H-chromen-4-one (CAS 89029-10-7)
- 3,4,5-Trimethoxy-N-(4-(2-oxopiperidin-1-yl)phenyl)benzamide (CAS 942013-31-2)
- 3,4,5-Trimethoxy-N-(2-(((tetrahydrofuran-2-yl)methyl)carbamoyl)phenyl)benzamide (CAS 875117-26-3)
- 3,4,5-Trimethoxy-N-(2-oxo-2-(2-phenylmorpholino)ethyl)benzamide (CAS 954067-17-5)
Recommended Standards
- 4-Methyl-N'-[2-oxo-2-(2-phenyl-1H-indol-3-yl)acetyl]benzohydrazide (CAS 478029-42-4)
- 5'-[(E)-[(2E)-3-[4-(Dimethylamino)phenyl]prop-2-en-1-ylidene]amino]-2'-(furan-2-yl)-[2,3'-bifuran]-4'-carbonitrile (CAS 551930-71-3)
- 4-(4-Methoxyphenyl)-5-[(Z)-2-(4-methoxyphenyl)diazen-1-yl]-2-(pyridin-2-yl)pyrimidine (CAS 339279-56-0)
- IC 87114 (CAS 371242-69-2)
- 1-(Benzyloxy)-2-bromo-3-methylbenzene (CAS 1381944-69-9)
- 2-(4-(Furan-2-carbonyl)piperazin-1-yl)-2-oxoethyl 2-(furan-2-yl)quinoline-4-carboxylate (CAS 485362-61-6)
- 3-(4-nitrophenyl)-3-oxo-N-phenylpropanamide (CAS 1092-69-9)
- 1-[3-(Methylsulfonyl)phenyl]cyclopropylamine (CAS 1314645-93-6)
- 1-methyl-6-pyridin-3-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011396-62-5)
- 3-Methyl-1-benzyl-piperazine-d4 (CAS 1794752-53-6)
- 2-[(1-Boc-4-piperidyl)methoxy]benzoxazole (CAS 1420895-21-1)
- 4-Chloro-3-Methylphenol (CAS 59-50-7)
- Methyl 3-(chlorosulfonyl)-5-methylbenzoate (CAS 1154149-31-1)
- D-Tyr1-Tirzepatide (CAS CATO-CPTD788928)
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