4,4'-(2,2-Bis(4-methoxyphenyl)ethene-1,1-diyl)dibenzaldehyde CAS 2165348-28-5
| CAS No. | 2165348-28-5 |
| Molecular Formula | C30H24O4 |
| Molecular Weight | 448.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,4'-(2,2-Bis(4-methoxyphenyl)ethene-1,1-diyl)dibenzaldehyde 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.
4,4'-(2,2-Bis(4-methoxyphenyl)ethene-1,1-diyl)dibenzaldehyde (CAS 2165348-28-5), molecular formula C30H24O4 and molecular weight 448.51 g/mol, is a CATO reference standard with documented purity and traceability.
4,4'-(2,2-Bis(4-methoxyphenyl)ethene-1,1-diyl)dibenzaldehyde (C30H24O4) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C30H24O4 |
| Molecular Weight | 448.51 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Related Bis Standards
- 4-[4-(4-Methoxyphenyl)pyrimidin-2-yl]phenyl 4-methoxybenzene-1-sulfonate (CAS 477856-97-6)
- 5-Ethyl-3-[4-(4-methoxyphenyl)piperazine-1-carbonyl]-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazolin-11-one (CAS 1574585-28-6)
- 4-Methoxyphenyl 4-O-(b-D-galactopyranosyl)-β-D-glucopyranoside (CAS 150412-80-9)
- 3-(4-Methoxyphenyl)-2-((2-methylbenzyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477331-49-0)
- 3-(4-Methoxyphenyl)-2-((3-methylbenzyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477331-37-6)
- 3-(4-Methoxyphenyl)-2-((4-methylbenzyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477332-81-3)
- N-(2-((4-(2-Methoxyphenyl)piperazin-1-yl)sulfonyl)ethyl)-2-phenoxypropanamide (CAS 897611-30-2)
- 3-(2-(4-(2-Methoxyphenyl)piperazin-1-yl)ethyl)-1,5-dimethyl-1H-pyrimido[5,4-b]indole-2,4(3H,5H)-dione (CAS 133399-70-9)
Recommended Standards
- 4-(3,4-Dimethoxyphenyl)-N-(2-methoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxamide (CAS 494195-81-2)
- 6,6'-(Hexane-1,6-diylbis(sulfanediyl))bis(3-nitrobenzaldehyde) (CAS 329778-05-4)
- 4-(2,4-Dimethoxyphenyl)-N-(2-methoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxamide (CAS 493017-17-7)
- 8,8'-((((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl))bis(oxy))diquinoline (CAS 57310-75-5)
- Tert-butyl (S)-(1-(4-(benzyloxy)phenyl)-3-oxopropyl)carbamate (CAS 1391068-17-9)
- Pentanoic acid, 5,5,5-trifluoro-2-(hydroxyimino)-4-(trifluoromethyl)-, ethyl ester (CAS 1956426-81-5)
- Pyrimidin-2-ylcyanamide (CAS 4425-54-1)
- 3-Methoxy-3-(methoxymethyl)pyrrolidine (CAS 1784322-96-8)
- 2-(Allylthio)-1-benzyl-5-phenyl-1H-imidazole (CAS 1207024-44-9)
- 3-(2,3-Dimethylphenyl)-1-(3-methoxyphenyl)propan-1-one (CAS 898769-05-6)
- N-Nitroso Moxifloxacin EP impurity D (CAS CATO-C4X-1074188)
- 2-Chloro-N-(2-fluorobenzyl)acetamide (CAS 895367-63-2)
- Boc-β-tBu-D-Ala-OH (CAS 112695-98-4)
- [Plus-β-Ala28]-Semaglutide (CAS CATO-C4X-2226221)
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