1-(Chloromethyl)-4-methyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one CAS 86671-88-7
| CAS No. | 86671-88-7 |
| Molecular Formula | C11H9ClN4O |
| Molecular Weight | 248.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(Chloromethyl)-4-methyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one 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.
1-(Chloromethyl)-4-methyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (CAS 86671-88-7), molecular formula C11H9ClN4O and molecular weight 248.67 g/mol, is a CATO reference standard with documented purity and traceability.
1-(Chloromethyl)-4-methyl-4h,5h-[1,2,4]triazolo[4,3-a]quinazolin-5-one (C11H9ClN4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C11H9ClN4O |
| Molecular Weight | 248.67 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloromethyl Standards
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Recommended Standards
- 1-(4-Chlorophenyl)-3-(pyrimidin-2-yl)urea (CAS 33561-18-1)
- 2-((4-Chlorophenyl)amino)isonicotinic acid (CAS 85827-90-3)
- 1-(4-Chlorobenzylidene)-3-(1H-1,2,4-triazol-5-yl)guanidine (CAS 62877-82-1)
- 2-(3-Chlorophenoxy)nicotinamide (CAS 214758-92-6)
- 5-Bromo-2-hydroxy-3-(trifluoromethyl)benzaldehyde (CAS 251300-30-8)
- [2-(Difluoromethoxy)-5-(trifluoromethyl)phenyl]boronic acid (CAS 958451-77-9)
- 1-(2-Bromo-4-(trifluoromethoxy)phenyl)thiourea (CAS 1263377-45-2)
- 3-(4-Chlorophenyl)-1-(3,4-dichlorophenyl)propan-1-one (CAS 296271-46-0)
- 3-methyl-1-(phenylsulfanyl)butan-2-ol (CAS 343331-59-9)
- 7-(6-Methoxypyridazin-3-yl)-1,7-diazaspiro[4.4]nonane (CAS 646056-15-7)
- 3-(Trifluoromethyl)picolinimidamide (CAS 1179533-41-5)
- Vonoprazan Impurity 65 (CAS 1610043-62-3)
- 2-Morpholinylpyridine-3-boronic acid (CAS 1218790-86-3)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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