7-Chlorobenzo[d][1,2,3]triazin-4(1H)-one CAS 36772-63-1
| CAS No. | 36772-63-1 |
| Molecular Formula | C7H4ClN3O |
| Molecular Weight | 181.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-Chlorobenzo[d][1,2,3]triazin-4(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
7-Chlorobenzo[d][1,2,3]triazin-4(1H)-one (CAS 36772-63-1), molecular formula C7H4ClN3O and molecular weight 181.58 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H4ClN3O, 7-Chlorobenzo[d][1,2,3]triazin-4(1H)-one contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 181.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C7H4ClN3O |
| Molecular Weight | 181.58 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.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorobenzo Standards
- 5-Chlorobenzo[d][1,2,3]triazin-4(3H)-one (CAS 1008742-24-2)
- 2-Chlorobenzo[d]oxazole-5-carbaldehyde (CAS 1648730-18-0)
- 2-Chlorobenzo[d]oxazole-6-carbaldehyde (CAS 1780575-73-6)
- 2-Chlorobenzo[d]oxazole-7-carbaldehyde (CAS 1803803-30-6)
- 2-Chlorobenzo[d]oxazole-4-carbaldehyde (CAS 1804145-84-3)
- 8-Chlorobenzo[d][1,2,3]triazin-4(1H)-one (CAS 18343-45-8)
- 5-Chlorobenzo[d]oxazole-2-carbaldehyde (CAS 190834-63-0)
- 6-Chlorobenzo[d][1,2,3]triazin-4(1H)-one (CAS 37429-97-3)
Recommended Standards
- 7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one (CAS 88820-50-2)
- 7-Chlorofuro[3,2-b]pyridine-5-carbaldehyde (CAS 2769929-83-9)
- 7-Chloro-2H-pyrimido[1,2-b]pyridazin-2-one (CAS 88820-44-4)
- 7-Chloropyrido[3,4-b]pyrazin-2(1H)-one (CAS 2235416-81-4)
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