2-Oxo-1,2-dihydroquinazoline-4-carboxylic acid hydrate CAS 1609403-74-8
| CAS No. | 1609403-74-8 |
| Molecular Formula | C9H6N2O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-Oxo-1,2-dihydroquinazoline-4-carboxylic acid hydrate 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.
CATO supplies 2-Oxo-1,2-dihydroquinazoline-4-carboxylic acid hydrate (CAS 1609403-74-8), a certified reference material (molecular formula C9H6N2O3H2O, MW 208.17 g/mol) for analytical method development and quality control.
Structurally, 2-Oxo-1,2-dihydroquinazoline-4-carboxylic acid hydrate (C9H6N2O3H2O) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 208.17 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C9H6N2O3 H2O |
| Molecular Weight | 208.17 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 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.) | 1993 |
| Nitrogen Atoms | 2 |
Related Oxo Standards
- 4-Oxo-3,4-dihydroquinazoline-6-carbonitrile (CAS 117297-41-3)
- 4-Oxo-3,4-dihydroquinazoline-6,7-diyl bis(2,2-dimethylpropanoate) (CAS 1174662-16-8)
- 1,4-Dihydroquinazoline (CAS 1904-64-9)
- 4-oxo-3,4-dihydroquinazoline-6-sulfonamide (CAS 19181-73-8)
- 4-oxo-3,4-dihydroquinazoline-7-carboxylic acid (CAS 202197-73-7)
- 4-oxo-3,4-dihydroquinazoline-5-carboxylic acid (CAS 208774-29-2)
- 3,4-Dihydroquinazoline-4-carboxylic acid (CAS 2167375-75-7)
- 3,4-Dihydroquinazoline-2(1H)-thione (CAS 22820-08-2)
Recommended Standards
- 3-Chloro-2-({4-[(4-chlorophenyl)methoxy]phenyl}methyl)-5-(trifluoromethyl)pyridine (CAS 338410-49-4)
- 1-Ethyl-1h-1,2,3-triazole-4-carbaldehyde (CAS 129027-63-0)
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-2,2-difluoroacetohydrazide (CAS 1823183-73-8)
- 4-(3-Aminopropyl)-5-(4-(dimethylamino)phenyl)-1H-pyrazol-3(2H)-one (CAS 878208-89-0)
- (1R,5S,7R)-2-Oxabicyclo[3.2.0]heptan-7-amine (CAS 2719002-90-9)
- (-)-Normacromerine-d3 1329805-62-0 (CAS 1329805-62-0)
- 5-(Trifluoromethyl)pyridine-2,3-diamine (CAS 107867-51-6)
- 3-(Hydroxymethyl)-1-methylcyclobutane-1-carbonitrile (CAS 1370705-52-4)
- 3-Chloro-6'-(2,4-dichlorophenoxy)-5-(trifluoromethyl)-[2,3'-bipyridine]-5'-carbonitrile (CAS 339011-79-9)
- Steroidogenesis-Activator Polypeptide (rat) (H-8855.0500) (CAS 108563-23-1)
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