4-Formyl-2-methoxyphenyl 3,4,5-trimethoxybenzoate CAS 71989-95-2
| CAS No. | 71989-95-2 |
| Molecular Formula | C18H18O7 |
| Molecular Weight | 346.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Formyl-2-methoxyphenyl 3,4,5-trimethoxybenzoate (C18H18O7) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
4-Formyl-2-methoxyphenyl 3,4,5-trimethoxybenzoate (CAS 71989-95-2) is a high-purity analytical reference standard with the molecular formula C18H18O7 and a molecular weight of 346.33 g/mol.
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), 4-Formyl-2-methoxyphenyl 3,4,5-trimethoxybenzoate 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 | C18H18O7 |
| Molecular Weight | 346.33 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
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Recommended Standards
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- 6-(Naphthalen-2-ylthio)-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 339103-73-0)
- 1-(6-(Trifluoromethyl)pyridin-2-yl)cyclopropane-1-carbonitrile (CAS 1346544-42-0)
- 2-(4-Nitro-1,2,5-oxadiazol-3-yl)acetic acid (CAS 186044-14-4)
- (11-Chloroundecyl)triethoxysilane (CAS 120876-31-5)
- 2-(Pyrrolidin-3-yl)-N-(thiophen-3-ylmethyl)acetamide hydrochloride (CAS 1831735-38-6)
- 1,5-Dibromo-4,8-dimethoxynaphthalene (CAS 88818-38-6)
- 2-((Furan-2-ylmethyl)amino)ethanethiol (CAS 62868-01-3)
- Ethyl 2h-chromene-3-carboxylate (CAS 57543-58-5)
- Ethyl 4,5-difluoro-2-isopropoxybenzoate (CAS 2107512-42-3)
- methyl 6-(4-chlorophenyl)-1-(2-cyanoethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1018142-62-5)
- Liraglutide-d8 Tetratrifluoroacetate (CAS 204656-20-2 (non-labelled, free base))
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