2H-Benzofuro[4,5-d][1,2,3]triazole CAS 210-91-3
| CAS No. | 210-91-3 |
| Molecular Formula | C8H5N3O |
| Molecular Weight | 159.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2H-Benzofuro[4,5-d][1,2,3]triazole 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.
CATO supplies 2H-Benzofuro[4,5-d][1,2,3]triazole (CAS 210-91-3), a certified reference material (molecular formula C8H5N3O, MW 159.14 g/mol) for analytical method development and quality control.
Structurally, 2H-Benzofuro[4,5-d][1,2,3]triazole (C8H5N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 159.14 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C8H5N3O |
| Molecular Weight | 159.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related H Standards
- Benzofuro[5,4-d]oxazole (CAS 115422-75-8)
- Benzofuro[6,5-d]isoxazole (CAS 153965-77-6)
- 2H-Benzofuro[2,3-d][1,2,3]triazole (CAS 33080-67-0)
- Benzofuro[4,5-c]isoxazole (CAS 64399-46-8)
- Benzofuro[4,5-d]oxazole (CAS 50511-87-0)
- Benzofuro[5,6-d]isoxazole (CAS 267-57-2)
- Benzofuro[5,6-d]oxazole (CAS 25885-38-5)
- Benzofuro[6,5-d]oxazole (CAS 20419-35-6)
Recommended Standards
- 2H-Imidazo[4',5':3,4]benzo[1,2-d]oxazole (CAS 42341-37-7)
- 2-Formamido-2-(oxetan-3-yl)acetic acid (CAS 2171619-12-6)
- 2H-Imidazo[4',5':4,5]benzo[1,2-d]oxazole (CAS 267-85-6)
- 2-Amino-4-(hydroxymethyl)-4,5-dihydro-1H-imidazole-5-carboxylic acid (CAS 89417-96-9)
- 2-((4-Ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(p-tolyl)acetamide (CAS 618414-89-4)
- 3-(4-Aminophenyl)propan-1-ol (CAS 14572-92-0)
- 7-Bromo-2-chloro-4-(4-morpholinyl)-thieno[3,2-d]pyrimidine (CAS 1033743-85-9)
- (3-Bromo-benzyl)-(2-pentafluoroethylsulfanylethyl)-amine (CAS 1208078-69-6)
- Methyl 5-Aminopyrimidine-4-carboxylate (CAS 1352201-49-0)
- 2-Chloro-4,6-dimethoxy-5-nitropyrimidine (CAS 478010-54-7)
- (4-((4-(Tert-butoxycarbonyl)piperazin-1-yl)methyl)-3-fluorophenyl)boronic acid (CAS 1704064-00-5)
- Ethyl 5,8-Dihydroxyimidazo[1,5-a]pyrazine-1-carboxylate (CAS 1256633-37-0)
- [1,4-Benzenedicarboxylato(2-)-κO1]oxovanadium (CAS 410542-58-4)
- Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 75976-10-2)
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