(R)-6,7-Dimethoxy-4-(3-(quinoxalin-2-yloxy)pyrrolidin-1-yl)quinazoline CAS 927691-21-2
| CAS No. | 927691-21-2 |
| Molecular Formula | C22H21N5O3 |
| Molecular Weight | 403.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 403.43 g/mol gives (R)-6,7-Dimethoxy-4-(3-(quinoxalin-2-yloxy)pyrrolidin-1-yl)quinazoline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (R)-6,7-Dimethoxy-4-(3-(quinoxalin-2-yloxy)pyrrolidin-1-yl)quinazoline (CAS 927691-21-2), a certified reference material (molecular formula C22H21N5O3, MW 403.43 g/mol) for analytical method development and quality control.
(R)-6,7-Dimethoxy-4-(3-(quinoxalin-2-yloxy)pyrrolidin-1-yl)quinazoline (C22H21N5O3) contains a steroid 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.
As a certified reference material (CRM), (R)-6,7-Dimethoxy-4-(3-(quinoxalin-2-yloxy)pyrrolidin-1-yl)quinazoline 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 | C22H21N5O3 |
| Molecular Weight | 403.43 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
Related R Standards
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Recommended Standards
- (R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-hydroxyphenyl)propanoic acid (CAS 511272-35-8)
- (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-hydroxyphenyl)propanoic acid (CAS 501015-31-2)
- (R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2-hydroxyphenyl)propanoic acid (CAS 511272-34-7)
- (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-hydroxyphenyl)propanoic acid (CAS 501015-32-3)
- 4-Methylbenzotriazole (CAS 29878-31-7)
- Naproxen Impurity 5 (CAS 17696-64-9)
- Sodium 6-hydroxynaphthalene-2-Sulfonate (CAS 135-76-2)
- tert-Butyl 3,3-dimethyl-1-oxa-6-azaspiro[3.3]heptane-6-carboxylate (CAS 936850-12-3)
- Posaconazole Impurity 126 (CAS 208187-15-9)
- 2-Chloro-5-(difluoromethyl)-6-(hydroxymethyl)nicotinonitrile (CAS 1806916-61-9)
- 2-(Adamantan-1-yl)-N-methylethan-1-amine (CAS 52582-90-8)
- Rupatadine Impurity 23 (CAS 21636-51-1)
- tert-Butyl 2-(4-fluorophenyl)-7,8-dihydropyrido[3,2-d]pyrimidine-5(6H)-carboxylate (CAS 1421312-24-4)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
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