(E)-3-((2,4-dichlorobenzylidene)amino)-2-methylquinazolin-4(3H)-one CAS 41332-39-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 41332-39-2 |
| Molecular Formula | C16H11Cl2N3O |
| Molecular Weight | 332.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-3-((2,4-dichlorobenzylidene)amino)-2-methylquinazolin-4(3H)-one (CAS 41332-39-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11Cl2N3O. Molecular weight: 332.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H11Cl2N3O |
| Molecular Weight | 332.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related E Standards
- 3-(2,4-Dichlorobenzylidene)-2-morpholinocyclopent-1-ene-1-carbaldehyde (CAS 327106-81-0)
- (E)-2-((2,4-dichlorobenzylidene)amino)-5-phenylfuran-3-carbonitrile (CAS 478033-37-3)
- N'-(2,3-dichlorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 347332-69-8)
- N'-(3,4-dichlorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 218144-98-0)
- 4-(3,4-Dichlorobenzylidene)-2-phenyloxazol-5(4H)-one (CAS 1037-02-1)
- N-(2,4-Dichlorobenzylidene)-alpha,alpha,alpha-Trifluoro-m-Toluidine (CAS 91283-19-1)
- (E)-5-(2,3-dichlorobenzylidene)-3-phenyl-2-thioxoimidazolidin-4-one (CAS 444061-19-2)
- (5E)-5-(2,6-Dichlorobenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one 404846-05-5 (CAS 404846-05-5)
Recommended Standards
- (5-Amino-1-(4-chlorophenyl)-1H-pyrazol-4-yl)(4-chlorophenyl)methanone (CAS 618091-27-3)
- 2-(1-((3,5-Dichlorophenyl)imino)ethyl)-3-hydroxy-1H-inden-1-one (CAS 946386-19-2)
- (5-Amino-1-(4-chlorophenyl)-1H-pyrazol-4-yl)(2-chlorophenyl)methanone (CAS 618091-32-0)
- 1-((3-Chloro-4-fluorophenyl)sulfonyl)-4-methoxypiperidine (CAS 1234867-06-1)
- Diethyl 2,4,6-Trihydroxyisophthalate (CAS 10135-18-9)
- Cefazolin Impurity 22 (CAS CATO-C4X-157722)
- 3,3-bis(methoxymethyl)cyclobutan-1-amine (CAS 2168693-38-5)
- 5-Iodo-1,6-dimethyl-1H-indole (CAS 1934834-68-0)
- Methyl[(oxiran-2-yl)methyl](2,2,2-trifluoroethyl)amine (CAS 1178290-42-0)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
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