6,7-Dimethoxyquinazolin-2-amine CAS 2090488-25-6
| CAS No. | 2090488-25-6 |
| Molecular Formula | C10H11N3O2 |
| Molecular Weight | 205.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6,7-Dimethoxyquinazolin-2-amine is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 6,7-Dimethoxyquinazolin-2-amine (CAS 2090488-25-6), a certified reference material (molecular formula C10H11N3O2, MW 205.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H11N3O2, 6,7-Dimethoxyquinazolin-2-amine contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 205.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H11N3O2 |
| Molecular Weight | 205.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1997 |
| Nitrogen Atoms | 3 |
Related Dimethoxyquinazolin Standards
- 6,7-Dimethoxyquinazolin-4-amine (CAS 21575-13-3)
- 2,4-Dimethoxyquinazolin-5-ol (CAS 155824-63-8)
- 5,6-Dimethoxyquinazolin-4(3H)-one (CAS 155960-98-8)
- 7,8-Dimethoxyquinazolin-4-ol (CAS 19178-11-1)
- 2-((6,7-Dimethoxyquinazolin-4-yl)amino)acetic acid (CAS 886500-05-6)
- 2-((6,7-Dimethoxyquinazolin-4-yl)amino)propanoic acid (CAS 1009554-30-6)
- 3-((6,7-Dimethoxyquinazolin-4-yl)amino)propanoic acid (CAS 886500-00-1)
- N1-(6,7-dimethoxyquinazolin-4-yl)-N3,N3-dimethylpropane-1,3-diamine (CAS 477868-52-3)
Recommended Standards
- 6,7-Dimethoxyisoquinolin-4-ol (CAS 71521-95-4)
- 6,7-DIMETHOXY-3H-QUINOLIN-4-ONE (CAS 304904-61-8)
- 6,7-Dimethoxyquinolin-3-ol (CAS 75222-15-0)
- 6-(Pent-4-ynyloxy)nicotinic acid (CAS 1984128-96-2)
- 1-(5-Aminopyridin-3-yl)cyclopropanecarbonitrile (CAS 2360828-90-4)
- 3-Methyl-1-(piperazin-1-yl)cyclohexane-1-carboxamide (CAS 1183582-19-5)
- tert-butyl (3R)-3-iodopyrrolidine-1-carboxylate (CAS 1234576-86-3)
- 2-Fluoro-3-formyl-4-(trifluoromethyl)benzoic acid (CAS 2384294-38-4)
- 6-Fluoro-2-hydroxy-3-nitrobenzoic acid (CAS 1820639-38-0)
- 5-(Benzenesulfonyl)-4-(2,6-dimethylphenoxy)-2-phenylpyrimidine (CAS 478080-96-5)
- 5-Amino-2-bromo-4-nitrophenol (CAS 855836-08-7)
- Ertugliflozin Impurity 47 (CAS 2755949-10-9)
- tert-Butyl 4-((6-chloropyrimidin-4-yl)(methyl)amino)piperidine-1-carboxylate (CAS 1251940-60-9)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
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