4,4'-Dimethoxy-2,2'5,5'-tetraacetoxybiphenyl CAS 7461-72-5
| CAS No. | 7461-72-5 |
| Molecular Formula | C22H22O10 |
| Molecular Weight | 446.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4,4'-Dimethoxy-2,2'5,5'-tetraacetoxybiphenyl (C22H22O10) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 446.40 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4,4'-Dimethoxy-2,2'5,5'-tetraacetoxybiphenyl (CAS 7461-72-5) is a high-purity analytical reference standard with the molecular formula C22H22O10 and a molecular weight of 446.40 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.
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 | C22H22O10 |
| Molecular Weight | 446.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Related Dimethoxy Standards
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Recommended Standards
- 3-(4-Hydroxy-3-methoxyphenyl)-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one (CAS 200127-80-6)
- 5-((2-Ethoxyphenyl)amino)-6-hydroxypyrimidin-4(3H)-one (CAS 89595-66-4)
- 2-(Benzo[d][1,3]dioxol-5-yloxy)acetonitrile (CAS 72955-89-6)
- 5,7-Dihydroxy-2-(4-methoxyphenyl)-6-((2S,3S,4R,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-4H-chromen-4-one (CAS 4328-19-2)
- all-trans-Retinylamine FumarateDISCONTINUED (CAS 43219-28-9)
- 4-(2-Methoxy-5-nitrophenyl)butan-2-ol (CAS 1249961-79-2)
- 5-((Methylsulfonyl)methyl)-6-nitroquinoline (CAS 1710472-30-2)
- 2-(2-(4-(4-Methoxyphenyl)piperazin-1-yl)-4-phenylthiazol-5-yl)acetic acid (CAS 685107-22-6)
- 2-Chloro-n-[3-(2-oxopyrrolidin-1-yl)phenyl]acetamide (CAS 923177-94-0)
- 2-Amino-4-(3-methoxyphenyl)-4H-benzo[g]chromene-3-carbonitrile (CAS 861208-29-9)
- (R)-1-(3-chloropyridin-2-yl)-3-methylpiperazine (CAS 393513-95-6)
- Polymyxin Impurity 41 TFA (CAS CATO-C4X-225541)
- 2-Azabicyclo[2.2.1]heptane-7-carboxylic acid (CAS 1458185-77-7)
- Prolactin-Releasing Peptide (1-31) (human) (CAS 215510-22-8)
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