Dimethyl 1-(4-methoxybenzyl)-6-oxo-1,4,5,6-tetrahydropyridine-2,3-dicarboxylate CAS 338748-78-0
| CAS No. | 338748-78-0 |
| Molecular Formula | C17H19NO6 |
| Molecular Weight | 333.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 333.34 g/mol gives Dimethyl 1-(4-methoxybenzyl)-6-oxo-1,4,5,6-tetrahydropyridine-2,3-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Dimethyl 1-(4-methoxybenzyl)-6-oxo-1,4,5,6-tetrahydropyridine-2,3-dicarboxylate (CAS 338748-78-0), molecular formula C17H19NO6 and molecular weight 333.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Dimethyl 1-(4-methoxybenzyl)-6-oxo-1,4,5,6-tetrahydropyridine-2,3-dicarboxylate (C17H19NO6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 333.34 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Dimethyl 1-(4-methoxybenzyl)-6-oxo-1,4,5,6-tetrahydropyridine-2,3-dicarboxylate 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 | C17H19NO6 |
| Molecular Weight | 333.34 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Dihydro Sanguinarine (CAS 3606-45-9)
- Diethyl 6-(3,5-dimethyl-1H-pyrazol-1-yl)-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate (CAS 321570-99-4)
- Ethyl 1-ethyl-6-methyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 321681-84-9)
- Diethyl 1-benzyl-4,5-dioxopyrrolidine-2,3-dicarboxylate (CAS 7399-18-0)
- 2-Amino-2-(1-methylcyclopropyl)acetic acid (CAS 139132-43-7)
- 2-(Ethylthio)-7-oxo-5-(trifluoromethyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1263212-50-5)
- 1-(2-Fluorobenzamido)cycloheptane-1-carboxylic acid (CAS 912771-26-7)
- 7-Bromo-5-methoxy-1,2,3,4-tetrahydroisoquinoline (CAS 1780417-55-1)
- 4-Bromo-2-(trifluoromethyl)pyridine-6-acetic acid (CAS 1393539-82-6)
- 2,4-Dichloro-3,3-dimethylbutyrophenone (CAS 898764-86-8)
- 2-Amino-6-isobutyl-4-phenylnicotinonitrile (CAS 5105-94-2)
- 4-(5-Chlorofuran-2-carbonyl)piperazin-2-one (CAS 1210914-78-5)
- 4-Cyclopropoxy-2-iodo-N,N-dimethylaniline (CAS 1243472-74-3)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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