1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid, mixture of diastereomers CAS 656243-36-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 656243-36-6 |
| Molecular Formula | C20H21NO5 |
| Molecular Weight | 355.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,2-Bis(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid, mixture of diastereomers (CAS 656243-36-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H21NO5. Molecular weight: 355.38 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H21NO5 |
| Molecular Weight | 355.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Bis Standards
- 2-(2-methoxyphenyl)-1-(4-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid (CAS 855715-29-6)
- 2-(4-(4-Methoxyphenyl)-6-phenyl-1,3,5-triazin-2-yl)phenol (CAS 154825-62-4)
- 2-((6-((4-(2-Methoxyphenyl)piperazin-1-yl)methyl)-4-oxo-4H-pyran-3-yl)oxy)acetonitrile (CAS 898442-34-7)
- 3-(2-Methoxyphenyl)-4-((4-nitrobenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 73396-73-3)
- N-(4-(4-Methoxyphenyl)thiazol-2-yl)-4-nitrobenzamide (CAS 325778-74-3)
- Phenyl 2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 329204-09-3)
- N-{[(4-methoxyphenyl)carbamoyl]amino}-3-(pyridin-3-yl)-4,5-dihydro-1,2-oxazole-5-carboxamide (CAS 478078-26-1)
- 2-{[5-(4-methoxyphenyl)-4-phenyl-4h-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide (CAS 107645-46-5)
Recommended Standards
- (S)-2-((tert-Butoxycarbonyl)amino)-3-(3,4,5-trimethoxyphenyl)propanoic acid (CAS 477254-82-3)
- 2-(1-(Tert-butoxycarbonyl)-4-(3,4-difluorophenyl)piperidin-4-yl)acetic acid (CAS 644982-68-3)
- (S)-2-((tert-Butoxycarbonyl)amino)-3-(2,3,4-trimethoxyphenyl)propanoic acid (CAS 477254-70-9)
- (R)-N-(Tetrahydro-furan-3-yl)-hydrazinecarboxylic acid tert-butyl ester (CAS 2305080-35-5)
- 4-Benzyl-2-ethylmorpholine (CAS 1319196-80-9)
- 3,6-Diamino-7-methylquinoxaline-2-carboxylic acid (CAS 817165-71-2)
- 4-Formylpyridine-3-carboxylic acid (CAS 395645-41-7)
- 5-Allyl-3-(4-allylphenoxy)benzene-1,2-diol (CAS 83864-78-2)
- Ethyl 2-Sulfamoylacetate (CAS 55897-04-6)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com