3-Ethyl 5-(phenylmethyl)-1,4-dihydro-2-methyl-6-phenyl-4-(phenylethynyl)-3,5-Pyridinedicarboxylic Acid Ester CAS 185222-90-6
| CAS No. | 185222-90-6 |
| Molecular Formula | C31H45NO4 |
| Molecular Weight | 495.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Ethyl 5-(phenylmethyl)-1,4-dihydro-2-methyl-6-phenyl-4-(phenylethynyl)-3,5-Pyridinedicarboxylic Acid Ester (C31H45NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 495.69 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
3-Ethyl 5-(phenylmethyl)-1,4-dihydro-2-methyl-6-phenyl-4-(phenylethynyl)-3,5-Pyridinedicarboxylic Acid Ester (CAS 185222-90-6), molecular formula C31H45NO4 and molecular weight 495.69 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Ethyl 5-(phenylmethyl)-1,4-dihydro-2-methyl-6-phenyl-4-(phenylethynyl)-3,5-Pyridinedicarboxylic Acid Ester under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C31H45NO4 |
| Molecular Weight | 495.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Nitrogen Atoms | 1 |
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- Pyridine, 2-bromo-5-[5-(trifluoromethyl)-1H-imidazol-2-yl]- (CAS 1383001-87-3)
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