6-Methoxy-7-(2-(2-methoxyethoxy)ethoxy)quinazolin-4(3H)-one CAS 199328-78-4
| CAS No. | 199328-78-4 |
| Molecular Formula | C14H18N2O5 |
| Molecular Weight | 294.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
6-Methoxy-7-(2-(2-methoxyethoxy)ethoxy)quinazolin-4(3H)-one (CAS 199328-78-4), molecular formula C14H18N2O5 and molecular weight 294.30 g/mol, is a CATO reference standard with documented purity and traceability.
6-Methoxy-7-(2-(2-methoxyethoxy)ethoxy)quinazolin-4(3H)-one (C14H18N2O5) contains a nitrogen-containing heterocyclic scaffold, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 6-Methoxy-7-(2-(2-methoxyethoxy)ethoxy)quinazolin-4(3H)-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 | C14H18N2O5 |
| Molecular Weight | 294.30 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 8-Methyl-4-oxo-6-(m-tolyl)-1,4-dihydrocinnoline-3-carboxylic acid (CAS 36991-83-0)
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- 5-Bromo-2-(piperidin-4-yloxy)pyridine dihydrochloride (CAS 1573548-04-5)
- 2-Chloro-N-(4-((4,5-dichloro-2-fluorophenyl)amino)quinazolin-6-yl)acetamide (CAS 733009-42-2)
- 1-benzylcyclopentan-1-amine hydrochloride (CAS 20937-44-4)
- (3-((4-Chlorobenzyl)oxy)phenyl)boronic acid (CAS 870778-90-8)
- 3-[4-(6-hydroxyhex-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2413731-69-6)
- 3-Amino-n-(2-methoxyphenyl)propanamide (CAS 938515-94-7)
- 1-(5,6,7,8-Tetrahydroquinolin-3-yl)ethanone (CAS 1783951-43-8)
- Cyclobutyl(cyclopentyl)methanamine (CAS 1334913-79-9)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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