Ethyl (2E,4E)-5-(pyridin-3-yl)penta-2,4-dienoate CAS 78775-01-6
| CAS No. | 78775-01-6 |
| Molecular Formula | C12H13NO2 |
| Molecular Weight | 203.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies Ethyl (2E,4E)-5-(pyridin-3-yl)penta-2,4-dienoate (CAS 78775-01-6), a certified reference material (molecular formula C12H13NO2, MW 203.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H13NO2, Ethyl (2E,4E)-5-(pyridin-3-yl)penta-2,4-dienoate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 203.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Ethyl (2E,4E)-5-(pyridin-3-yl)penta-2,4-dienoate 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 | C12H13NO2 |
| Molecular Weight | 203.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Dimethyl 4-aminoheptanedioate (CAS 873843-61-9)
- Ethyl 1-methyl-1H-indole-3-carboxylate (CAS 56559-60-5)
- Diethyl methylaspartate (CAS 3397-64-6)
- Ethyl 1-methyl-1H-indole-6-carboxylate (CAS 202745-74-2)
- 5-(4-Nitrophenyl)-1H-imidazol-2-ol (CAS 96139-73-0)
- Ethyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-2-carboxylate (CAS 1313760-79-0)
- 1-(2,2,2-trifluoroethyl)pyrrolidine-3-carboxylic acid hydrochloride (CAS 1803566-91-7)
- ((Benzylazanediyl)bis(methylene))bis(phosphonic acid) (CAS 6056-53-7)
- 6-Acetyl-4-methylpicolinic acid (CAS 1393567-96-8)
- (+/-)-Paraconic acid (CAS 498-89-5)
- Suzetrigine Impurity 57 (CAS CATO-C4X-336957)
- Relugolix Impurity 37 (CAS 1589503-93-4)
- (S)-5-(Diphenyl((trimethylsilyl)oxy)methyl)-2-(perfluorophenyl)-6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-2-ium tetrafluoroborate (CAS 1352756-09-2)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
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 18665070610 / Nicole.chen@cato-chem.com