1-Methyl-1H-benzotriazole-5-carbonyl chloride CAS 423768-38-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 423768-38-1 |
| Molecular Formula | C8H6ClN3O |
| Molecular Weight | 195.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-Methyl-1H-benzotriazole-5-carbonyl chloride (CAS 423768-38-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6ClN3O. Molecular weight: 195.61 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6ClN3O |
| Molecular Weight | 195.61 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
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- 1-(4-Chlorophenyl)-1H-1,2,3,4-tetrazol-5-amine (CAS 39889-76-4)
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- n-(4-Iodophenyl)-2-(1h-pyrazol-1-yl)propanamide (CAS 1172941-68-2)
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Why CATO?
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