9-Nitro-2,3,4,5-tetrahydro-1h-1,4-benzodiazepin-5-one CAS 328546-65-2
| CAS No. | 328546-65-2 |
| Molecular Formula | C9H9N3O3 |
| Molecular Weight | 207.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 9-Nitro-2,3,4,5-tetrahydro-1h-1,4-benzodiazepin-5-one is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 9-Nitro-2,3,4,5-tetrahydro-1h-1,4-benzodiazepin-5-one (CAS 328546-65-2), a certified reference material (molecular formula C9H9N3O3, MW 207.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H9N3O3, 9-Nitro-2,3,4,5-tetrahydro-1h-1,4-benzodiazepin-5-one 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 207.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 9-Nitro-2,3,4,5-tetrahydro-1h-1,4-benzodiazepin-5-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 | C9H9N3O3 |
| Molecular Weight | 207.19 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 methanol, ethanol, DMSO |
| 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.) | 2025 |
| Nitrogen Atoms | 3 |
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- 3-(Pyridin-2-ylmethyl)pyrido[3,2-d]pyrimidine-2,4(1h,3H)-dione (CAS 1105192-08-2)
- Anorexigenic Peptide (CAS 69275-10-1)
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