Ethyl 1H-benzo[d][1,2,3]triazole-1-carboxylate CAS 830-67-1
| CAS No. | 830-67-1 |
| Molecular Formula | C9H9N3O2 |
| Molecular Weight | 191.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 1H-benzo[d][1,2,3]triazole-1-carboxylate (CAS 830-67-1), molecular formula C9H9N3O2 and molecular weight 191.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H9N3O2, Ethyl 1H-benzo[d][1,2,3]triazole-1-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 191.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), Ethyl 1H-benzo[d][1,2,3]triazole-1-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C9H9N3O2 |
| Molecular Weight | 191.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Ethyl [1,2,3]triazolo[1,5-a]pyridine-3-carboxylate (CAS 87838-54-8)
- Ethyl 1H-benzo[d][1,2,3]triazole-5-carboxylate (CAS 73605-91-1)
- 7-Hydrazinyl-3-methyl-4H-pyrimido[1,2-b]pyridazin-4-one (CAS 86674-01-3)
- Ethyl 1H-pyrazolo[3,4-b]pyridine-3-carboxylate (CAS 849069-32-5)
- 1-(7-(2,3-Dichlorophenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)ethan-1-one (CAS 867042-67-9)
- 3-[3-(3-hydroxypropyl)phenyl]propan-1-ol (CAS 41009-85-2)
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- 1,1'-Dibenzyl-5,5',6,6'-tetrahydro-1H,1'H-[3,4'-bipyridinylidene]-2,2',4(3'H)-trione (CAS 1283734-84-8)
- 1-Hexanoylpiperidine-2-carboxylic acid (CAS 111333-76-7)
- N-(Methylsulfonyl)-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanesulfonamide (CAS 1256359-12-2)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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