3-Ethyl 5-(phenylmethyl)-1,4-dihydro-2-methyl-6-phenyl-4-(phenylethynyl)-3,5-Pyridinedicarboxylic Acid Ester CAS 185222-90-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 185222-90-6 |
| Molecular Formula | C31H45NO4 |
| Molecular Weight | 495.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Ethyl 5-(phenylmethyl)-1,4-dihydro-2-methyl-6-phenyl-4-(phenylethynyl)-3,5-Pyridinedicarboxylic Acid Ester (CAS 185222-90-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C31H45NO4. Molecular weight: 495.69 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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 |
Recommended Standards
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- (4Z)-4-[(4-Methylphenyl)methylidene]-1,3-diphenyl-4,5-dihydro-1H-pyrazol-5-one (CAS 39143-16-3)
- Calcipotriol EP Impurity F (CAS 112875-61-3)
- (S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-6-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)chroman-4-one (CAS 118040-45-2)
- Semaglutide impurity 266 (CAS CATO-C4X-2226266)
Why CATO?
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