(E)-[(5-Chloro-1,3-dimethyl-1H-pyrazol-4-yl)methylidene]amino 4-fluorobenzoate CAS 477709-09-4
| CAS No. | 477709-09-4 |
| Molecular Formula | C13H11ClFN3O2 |
| Molecular Weight | 295.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (E)-[(5-Chloro-1,3-dimethyl-1H-pyrazol-4-yl)methylidene]amino 4-fluorobenzoate (C13H11ClFN3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 295.70 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(E)-[(5-Chloro-1,3-dimethyl-1H-pyrazol-4-yl)methylidene]amino 4-fluorobenzoate (CAS 477709-09-4) is a high-purity analytical reference standard with the molecular formula C13H11ClFN3O2 and a molecular weight of 295.70 g/mol.
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)-[(5-Chloro-1,3-dimethyl-1H-pyrazol-4-yl)methylidene]amino 4-fluorobenzoate 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 | C13H11ClFN3O2 |
| Molecular Weight | 295.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
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