2,6-Diamino-5-methylquinazolin-4(1H)-one CAS 56239-17-9
| CAS No. | 56239-17-9 |
| Molecular Formula | C9H10N4O |
| Molecular Weight | 190.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,6-Diamino-5-methylquinazolin-4(1H)-one (CAS 56239-17-9), a certified reference material (molecular formula C9H10N4O, MW 190.20 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 2,6-Diamino-5-methylquinazolin-4(1H)-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 2,6-Diamino-5-methylquinazolin-4(1H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H10N4O |
| Molecular Weight | 190.20 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 4 |
Related Diamino Standards
- 3,4-Diamino-1-phenyl-1H-pyrazol-5(4H)-one (CAS 126778-97-0)
- 2,4-Diamino-6-chloro-5-nitropyrimidine (CAS 6036-64-2)
- 5,6-Diamino-4-methylquinolin-2(1H)-one (CAS 1378259-35-8)
- 3,4-Diamino-1-methylquinolin-2(1H)-one (CAS 921214-45-1)
- 5,7-Diamino-2-methylquinolin-8-ol (CAS 677761-30-7)
- 2,7-Diamino-1H-benzo[d]imidazole-5-carboxamide (CAS 1805837-60-8)
- 4,7-diamino-2-methyl-2,3-dihydro-1H-isoindole-1,3-dione (CAS 2868-12-4)
- 5,6-Diamino-3,3-dimethylindolin-2-one (CAS 100568-79-4)
Recommended Standards
- 2,5-Dimethylimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 81438-50-8)
- 2,6-Diaminopimelic acid (CAS 2577-62-0)
- 2',5'-Dimethyl-2'h-[1,3'-bipyrazole]-4'-carbaldehyde (CAS 713496-41-4)
- 2,6-Dimethylimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 81438-52-0)
- 3-(4-(4-Bromophenyl)-5-((2-chloro-6-fluorobenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 678541-90-7)
- Methyl (2S,4S)-4-[4-(ethoxycarbonyl)phenoxy]-2-pyrrolidinecarboxylate hydrochloride (CAS 1354487-46-9)
- (1s,2r)-2-{[(tert-butoxy)carbonyl]amino}cyclobutane-1-carboxylicacid (CAS 951173-34-5)
- 4-Methylumbelliferyl N-acetyl-4-7-8-9-tetra-O-acetyl-α-D-neuraminic acid methyl ester (CAS 59361-08-9)
- n-((2-Methylthiazol-5-yl)methyl)-2-(1h-pyrazol-1-yl)ethan-1-amine (CAS 1248090-08-5)
- Crisaborole Impurity 37 (CAS CATO-C4X-202137)
- 5,6,7,8-Tetrahydroisoquinolin-3-amine hydrochloride (CAS 2007082-50-8)
- 3-(2,4-Dichloro-5-fluorophenyl)-3-oxopropanenitrile (CAS 103318-74-7)
- 1-Cyclopropyl-1-(2-pyridyl)methylamine (CAS 535925-68-9)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com