4-[[4-(Acetyloxy)-3-methoxyphenyl]methoxy]-3-methoxy-benzaldehyde CAS 77745-44-9
| CAS No. | 77745-44-9 |
| Molecular Formula | C18H18O6 |
| Molecular Weight | 330.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 4-[[4-(Acetyloxy)-3-methoxyphenyl]methoxy]-3-methoxy-benzaldehyde is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 330.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-[[4-(Acetyloxy)-3-methoxyphenyl]methoxy]-3-methoxy-benzaldehyde (CAS 77745-44-9), molecular formula C18H18O6 and molecular weight 330.33 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H18O6 |
| Molecular Weight | 330.33 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.) | 1979 |
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Recommended Standards
- 3-Hydroxy-4,5,7-trimethoxyflavanone (CAS 76792-94-4)
- 4-(2-(4-(Trifluoromethyl)phenyl)thiazol-4-yl)benzonitrile (CAS 869578-20-1)
- 3-Amino-4-methyl-n-[3-(trifluoromethyl)phenyl]benzene-1-sulfonamide (CAS 565209-22-5)
- 4-(Methoxymethyl)-2-(methylsulfanyl)-6-[3-(trifluoromethyl)phenoxy]pyrimidine (CAS 338747-98-1)
- Methyl 3-Boc-3-azabicyclo[3.1.1]heptane-6-carboxylate (CAS 1363380-75-9)
- (octylcarbamoyl)formic acid (CAS 3151-48-2)
- (+)-Isopulegol (CAS 104870-56-6)
- 2-(4-Chlorophenoxy)-4-methoxypyridine-3-carbonitrile (CAS 338773-52-7)
- 2-(2-((4-Aminophenyl)thio)acetamido)benzamide (CAS 884798-64-5)
- 4-(tert-Butyl)-5-(methylsulfonyl)thiazol-2-amine (CAS 1707379-59-6)
- 3-(Bromomethyl)-1-(3-fluorobenzyl)piperidine (CAS 1353948-39-6)
- N-(3-(trifluoromethyl)phenyl)cyclopentanecarboxamide (CAS 13691-84-4)
- Tert-butyl n-(1-formylcyclopentyl)carbamate (CAS 168539-99-9)
- Cholecystokinin Octapeptide (sulfated) (H-2060.0005) (CAS 25679-23-6)
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