2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl Ester CAS 6771-54-6
| CAS No. | 6771-54-6 |
| Molecular Formula | C15H18O5 |
| Molecular Weight | 278.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl Ester.
2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl Ester (CAS 6771-54-6) is a high-purity analytical reference standard with the molecular formula C15H18O5 and a molecular weight of 278.30 g/mol.
Based on its molecular formula C15H18O5, 2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl Ester contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 278.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl Ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H18O5 |
| Molecular Weight | 278.30 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
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Recommended Standards
- 2,5-dimethanesulfonylbenzoic acid (CAS 2140317-02-6)
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- 2-Acetamido-2-{[4-(propan-2-yl)phenyl]carbamoyl}acetic acid (CAS 551921-03-0)
- 1-methylcyclohex-3-en-1-amine hydrochloride (CAS 22189-76-0)
- [1-(3-methylbutyl)piperidin-4-yl]methanamine (CAS 1017452-47-9)
- 7-Aminopyrrolo[1,2-a]quinoxalin-4(5H)-one (CAS 600179-65-5)
- 3’-Hydroxy-3’-O-methoxymethyl Repaglinide Ethyl Ester(Mixture of Diastereomers) (CAS 1276362-58-3)
- 1-(Tert-butyl)-3-(2,2-dimethylthietan-3-yl)urea (CAS 1857788-42-1)
- Ethyl 5-(1,1-difluoro-2-methylpropan-2-yl)-1,3,4-oxadiazole-2-carboxylate (CAS 2641807-61-4)
- 6-(Trifluoromethoxy)pyridine-3-boronic Acid (CAS 1008140-70-2)
- 2-((2-(4-Chlorophenyl)-2-oxoethyl)thio)-3-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one (CAS 371933-83-4)
- 5-Bromo-8,9-dihydro-2,9a-diazabenzo[cd]azulene-1,6(2H,7H)-dione (CAS 2767589-63-7)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
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