7,8-Dihydro-5H-[1,2,4]triazolo[4,3-a]azepin-9(6H)-one CAS 1708485-78-2
| CAS No. | 1708485-78-2 |
| Molecular Formula | C7H9N3O |
| Molecular Weight | 151.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 151.17 g/mol gives 7,8-Dihydro-5H-[1,2,4]triazolo[4,3-a]azepin-9(6H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7,8-Dihydro-5H-[1,2,4]triazolo[4,3-a]azepin-9(6H)-one (CAS 1708485-78-2) is a high-purity analytical reference standard with the molecular formula C7H9N3O and a molecular weight of 151.17 g/mol.
7,8-Dihydro-5H-[1,2,4]triazolo[4,3-a]azepin-9(6H)-one (C7H9N3O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), 7,8-Dihydro-5H-[1,2,4]triazolo[4,3-a]azepin-9(6H)-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.
Physical & Chemical Properties
| Molecular Formula | C7H9N3O |
| Molecular Weight | 151.17 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
Related Dihydro Standards
- 2-Methyl-6,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-5-amine (CAS 1072106-47-8)
- 5-Methyl-6,7-dihydro-5H-pyridazino[3,4-b][1,4]oxazine (CAS 120582-33-4)
- 1211486-21-3 7,8-Dihydro-5H-pyrano[4,3-d]pyrimidin-2-amine DTXSID00677594 (CAS 1211486-21-3)
- 2-Methyl-6,7-dihydro-5h-pyrrolo[3,4-d]pyrimidin-4-ol (CAS 1220030-34-1)
- 7-Methyl-2,3-dihydro-1H-imidazo[1,2-b]pyrazole-1-carbaldehyde (CAS 126352-86-1)
- 5,6-Dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxamide (CAS 1454848-66-8)
- 2-Methyl-6,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-4(5H)-one (CAS 16372-11-5)
- 1-(2,3-Dihydro-1H-imidazo[1,2-a]imidazol-1-yl)ethanone (CAS 67139-09-7)
Recommended Standards
- 1-(2-Methoxyethyl)-1H-pyrazole-3-carbonitrile (CAS 1707563-36-7)
- N’-Hydroxy-2-(4-pyridyl)acetimidamide (CAS 175532-12-4)
- 3-Methylisonicotinohydrazide (CAS 176178-87-3)
- 2-Amino benzamidoxime (CAS 16348-49-5)
- Butanedioic Acid 1-Methyl Ester (CAS 878205-29-9)
- 6-Iodo-2-methoxypyridin-3-ol (CAS 1310949-56-4)
- (2-Bromo-5-(difluoromethyl)-3-nitropyridin-4-yl)methanol (CAS 1806871-27-1)
- 4-Cyano-3-(difluoromethyl)-5-methoxypyridine-2-carboxaldehyde (CAS 1805424-51-4)
- (R)-3-(tert-Butoxycarbonyl)-2,2-dimethylthiazolidine-4-carboxylic acid (CAS 5317-15-7)
- 4-(Propan-2-ylidene)tetrahydro-2H-pyran (CAS 26170-24-1)
- N-((4H-1,2,4-triazol-4-yl)carbamothioyl)benzamide (CAS 299417-33-7)
- 3-[1-(morpholin-4-yl)ethyl]aniline (CAS 1082549-24-3)
- Isocapric Acid (CAS 5963-14-4)
- Peptide WE-14 (CAS 115136-18-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com