2-Amino-4-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-oxo-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile CAS 309926-94-1
| CAS No. | 309926-94-1 |
| Molecular Formula | C23H15ClN4O3 |
| Molecular Weight | 430.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Amino-4-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-oxo-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile.
2-Amino-4-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-oxo-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile (CAS 309926-94-1), molecular formula C23H15ClN4O3 and molecular weight 430.84 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H15ClN4O3, 2-Amino-4-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-oxo-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 430.84 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), 2-Amino-4-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)-5-oxo-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile 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 | C23H15ClN4O3 |
| Molecular Weight | 430.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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