5-Chloro-1-methyl-1H-benzo[d][1,2,3]triazole CAS 25299-32-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25299-32-5 |
| Molecular Formula | C7H6ClN3 |
| Molecular Weight | 167.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
5-Chloro-1-methyl-1H-benzo[d][1,2,3]triazole (CAS 25299-32-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H6ClN3. Molecular weight: 167.60 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H6ClN3 |
| Molecular Weight | 167.60 g/mol |
| Appearance | Off-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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- 5-chloro-1H-pyrrolo[2,3-b]pyridin-3-amine (CAS 936243-40-2)
- 5-Chloro-2-methyl-2H-benzo[d][1,2,3]triazole (CAS 35203-10-2)
- 5-Chloro-1H-indazol-7-amine (CAS 221681-89-6)
- Methyl 3-oxo-4-(4-trifluoromethylphenyl)butanoate (CAS 1048916-84-2)
- 8-((tert-Butyldimethylsilyl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline (CAS 892878-82-9)
- 4-[ethyl(methyl)amino]benzaldehyde (CAS 64693-47-6)
- 5-Fluoro-2-(3-fluorophenyl)pyridine 1-oxide (CAS 1700602-74-9)
- 2-Iodo-3-methyl-5-(trifluoromethyl)phenol (CAS 2055497-48-6)
- 5-(4-Chlorophenyl)-[1,2,5]oxadiazolo[3,4-b]pyrazine (CAS 67200-28-6)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
Why CATO?
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