(E)-[(2Z)-2-(1,3-Dimethyl-4-nitro-1H-pyrazol-5-yl)-3-(dimethylamino)prop-2-en-1-ylidene](methoxy)amine CAS 321998-09-8
| CAS No. | 321998-09-8 |
| Molecular Formula | C11H17N5O3 |
| Molecular Weight | 267.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-[(2Z)-2-(1,3-Dimethyl-4-nitro-1H-pyrazol-5-yl)-3-(dimethylamino)prop-2-en-1-ylidene](methoxy)amine (CAS 321998-09-8) is a high-purity analytical reference standard with the molecular formula C11H17N5O3 and a molecular weight of 267.28 g/mol.
Based on its molecular formula C11H17N5O3, (E)-[(2Z)-2-(1,3-Dimethyl-4-nitro-1H-pyrazol-5-yl)-3-(dimethylamino)prop-2-en-1-ylidene](methoxy)amine 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 267.28 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), (E)-[(2Z)-2-(1,3-Dimethyl-4-nitro-1H-pyrazol-5-yl)-3-(dimethylamino)prop-2-en-1-ylidene](methoxy)amine 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 | C11H17N5O3 |
| Molecular Weight | 267.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
Recommended Standards
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