6,7,8-Trimethoxy-2,4(1H,3H)-quinazolinedione CAS 30896-98-1
| CAS No. | 30896-98-1 |
| Molecular Formula | C11H12N2O5 |
| Molecular Weight | 252.22 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.
6,7,8-Trimethoxy-2,4(1H,3H)-quinazolinedione (CAS 30896-98-1), molecular formula C11H12N2O5 and molecular weight 252.22 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 6,7,8-Trimethoxy-2,4(1H,3H)-quinazolinedione (C11H12N2O5) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 6,7,8-Trimethoxy-2,4(1H,3H)-quinazolinedione 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 | C11H12N2O5 |
| Molecular Weight | 252.22 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 methanol, ethanol, DMSO |
| 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.) | 1965 |
| Nitrogen Atoms | 2 |
Related Trimethoxy Standards
- 2’,4’,6’-Trimethoxy-3’-propylacetophenone (CAS 916916-57-9)
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- Trimethoxy(1-(4-vinylphenyl)ethyl)silane (CAS 134000-44-5)
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Recommended Standards
- 5-(Methoxycarbonyl)-1,3-phenylene diacetate (CAS 2150-36-9)
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