2-chloro-6-methoxy-3,4-dihydroquinazolin-4-one CAS 20197-97-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20197-97-1 |
| Molecular Formula | C9H15ClN2O2 |
| Molecular Weight | 218.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-chloro-6-methoxy-3,4-dihydroquinazolin-4-one (CAS 20197-97-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H15ClN2O2. Molecular weight: 218.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H15ClN2O2 |
| Molecular Weight | 218.68 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chloro Standards
- 4-Benzyl-6-chloro-2-methylpyrimidine (CAS 100565-30-8)
- 4-Chloro-1-(2,2-diethoxyethyl)-1h-pyrazole (CAS 1006334-37-7)
- 2-Chloro-N-(pyridin-4-ylmethyl)aniline (CAS 1019552-09-0)
- 2-Chloro-N-(pyridin-3-ylmethyl)aniline (CAS 1019624-08-8)
- 6-Chloro-4,4'-dimethyl-2,2'-bipyridine (CAS 1025763-34-1)
- methyl 6-chloro-1H-pyrrolo[3,2-b]pyridine-2-carboxylate (CAS 1083196-33-1)
- (2'-Chloro-[1,1'-biphenyl]-4-yl)methanol (CAS 109524-03-0)
- 4-Chloro-2-cyclobutylquinazoline (CAS 1095559-57-1)
Recommended Standards
- 2-Chloro-4-(2,5-dimethylphenyl)pyrimidine (CAS 954218-25-8)
- 2-chloro-8-methoxy-3,4-dihydroquinazolin-4-one (CAS 20197-99-3)
- 2-chloro-3-isopropyl-imidazo[2,1-f][1,2,4]triazin-4-one (CAS 2587154-65-0)
- 3-Phenylpropanethioamide (CAS 65680-20-8)
- 8-tert-Butyl-4-(2-ethoxybenzoyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326811-92-0)
- 7-Sulfamoyl-2,3-dihydro-1h-indene-5-carboxylic acid (CAS 1258649-99-8)
- 3-[(pyridin-3-ylmethyl)amino]propanoic acid dihydrochloride (CAS 1251923-50-8)
- Phenylmethyl N-(5-methyl-2-pyrazinyl)carbamate (CAS 1033418-57-3)
- 5-(3,5-Dichlorophenyl)thiophene-2-carbaldehyde (CAS 887987-20-4)
- Peptide 438 (CAS CATO-CPTD788438)
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 13829788188 / jacky.chen@cato-chem.com