4,6,7-trichloroquinazoline CAS 57940-05-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57940-05-3 |
| Molecular Formula | C8H3Cl3N2 |
| Molecular Weight | 233.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,6,7-trichloroquinazoline (CAS 57940-05-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H3Cl3N2. Molecular weight: 233.48 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H3Cl3N2 |
| Molecular Weight | 233.48 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related trichloroquinazoline Standards
- 4,7,8-Trichloroquinazoline (CAS 1027775-18-3)
- 2,4,5-Trichloroquinazoline (CAS 134517-55-8)
- 2,4,6-Trichloroquinazoline (CAS 20028-68-6)
- 2,4,7-Trichloroquinazoline (CAS 6625-94-1)
- 2,6,7-Trichloroquinazoline (CAS 2089319-37-7)
- 4,6,8-Trichloroquinazoline (CAS 19815-21-5)
- 2,4,8-trichloroquinazoline (CAS 62484-29-1)
- 2,5,6-trichloroquinazoline (CAS 67092-21-1)
Recommended Standards
- 4,6,7-Trichlorocinnoline (CAS 68211-16-5)
- 4,5,7-Trichloro-1,6-naphthyridine (CAS 2089301-45-9)
- 4,7,8-Trichlorocinnoline (CAS 856179-55-0)
- 421-14-7 Methane, trifluoromethoxy- Ether, methyl trifluoromethyl Methyl perfluoromethyl ether Methyl trifluoromethyl ether Trifluoromethoxymethane Trifluoromethoxymethone (CAS 421-14-7)
- (4-(((tert-Butoxycarbonyl)amino)methyl)-3-fluorophenyl)boronic acid (CAS 1374451-80-5)
- 2-(Difluoromethyl)-3-hydroxy-4-methylpyridine-6-carboxylic acid (CAS 1806878-23-8)
- 2-[2-(2-Phenylethenesulfonamido)acetamido]acetic acid (CAS 851116-11-5)
- methyl 3-[(5-nitro-1,3-thiazol-2-yl)sulfonyl]propanoate (CAS 1803604-49-0)
- 1-Ethyl-3-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea (CAS 874299-04-4)
- Anti-Inflammatory Peptide 3 (CAS 118850-73-0)
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