6-Chloro-2,4-bis(2-chlorophenyl)-3-(4-chlorophenyl)-3,4-dihydroquinazolin-4-ol CAS 77549-04-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77549-04-3 |
| Molecular Formula | C26H16Cl4N2O |
| Molecular Weight | 514.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-Chloro-2,4-bis(2-chlorophenyl)-3-(4-chlorophenyl)-3,4-dihydroquinazolin-4-ol (CAS 77549-04-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C26H16Cl4N2O. Molecular weight: 514.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C26H16Cl4N2O |
| Molecular Weight | 514.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- Ethyl 6-chloro-4-(4-chlorophenyl)-5-[(1E)-{[(2,4-dichlorophenyl)methoxy]imino}methyl]-2-methyl-1,4-dihydropyridine-3-carboxylate (CAS 478261-87-9)
- Ethyl 5-((4-chloro-N-(phenoxycarbonyl)phenyl)sulfonamido)-2-methylbenzofuran-3-carboxylate (CAS 397287-73-9)
- (2Z)-3-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrrol-2-yl}-2-[5-(4-methoxybenzoyl)thiophen-2-yl]prop-2-enenitrile (CAS 338966-77-1)
- 3-(((2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)imino)methyl)-2-hydroxy-1,6,7,11b-tetrahydro-4H-pyrido[2,1-a]isoquinolin-4-one (CAS 339096-83-2)
- 2-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-indol-3-yl)-N-(4-(trifluoromethoxy)phenyl)acetamide (CAS 339099-16-0)
- N-[1-[2-[(4-Chloro-5-iodo-2-methoxyphenyl)amino]acetyl]-4-piperidinyl]ethenesulfonamide (CAS 1469337-91-4)
- 6-Chloro-2-nitro-9H-fluoren-9-one (CAS 91821-35-1)
- 3-Chloro-2-[(1Z)-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]hydrazin-1-ylidene}(4-chlorophenyl)methyl]-5-(trifluoromethyl)pyridine (CAS 303151-97-5)
Recommended Standards
- 9-Bromo-5-(4-bromophenyl)-2-(4-methoxyphenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303061-03-2)
- 2,4-Dichloro-N-(3,5-dichloro-4-(quinolin-3-yloxy)phenyl)benzenesulfonamide (CAS 315224-26-1)
- (1S,4s)-1,4-bis(4-bromophenyl)-1,4-bis(methoxymethoxy)cyclohexane (CAS 2177264-24-1)
- 4-(2,6-Dichlorophenyl)-1-butene (CAS 117269-67-7)
- 5-[2,5-Bis(2,2,2-trifluoroethoxy)phenyl]-1-(4-methylphenyl)-1H-1,2,4-triazole (CAS 400081-38-1)
- Ethyl 2-(2-methylpyridin-4-yl)acetate (CAS 96424-66-7)
- Monoisopropyl Phthalate (CAS 35118-50-4)
- {1-[(4-Fluorophenyl)sulfonyl]-piperidin-3-yl}acetic acid (CAS 1082412-21-2)
- (R)-Benzyl (1-(2-aminoacetyl)pyrrolidin-3-yl)carbamate (CAS 1353993-43-7)
- Hexapeptide-9 (CAS 885024-94-2)
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