4,4',4'',4'''-([1,1'-Biphenyl]-4,4'-diyldinitrilo)tetrakis[benzoic acid] CAS 1193093-31-0
| CAS No. | 1193093-31-0 |
| Molecular Formula | C40H28N2O8 |
| Molecular Weight | 664.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,4',4'',4'''-([1,1'-Biphenyl]-4,4'-diyldinitrilo)tetrakis[benzoic acid] is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4,4',4'',4'''-([1,1'-Biphenyl]-4,4'-diyldinitrilo)tetrakis[benzoic acid] (CAS 1193093-31-0), molecular formula C40H28N2O8 and molecular weight 664.66 g/mol, is a CATO reference standard with documented purity and traceability.
4,4',4'',4'''-([1,1'-Biphenyl]-4,4'-diyldinitrilo)tetrakis[benzoic acid] (C40H28N2O8) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4,4',4'',4'''-([1,1'-Biphenyl]-4,4'-diyldinitrilo)tetrakis[benzoic acid] 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 | C40H28N2O8 |
| Molecular Weight | 664.66 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 28.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2-Amino-6-(3,4-dichlorophenethyl)pyrimidin-4(3H)-one (CAS 6625-84-9)
- 4-(5-Bromopyrimidin-4-yl)piperazin-2-one (CAS 1536639-96-9)
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- tert-butyl 3-(bromomethyl)-3-methylazetidine-1-carboxylate (CAS 1408075-52-4)
- 3-Fluoro-4-(pyridin-3-yl)aniline (CAS 1214357-04-6)
- 5-bromo-7-iodo-1H-indazole (CAS 953410-86-1)
- (R)-1-(4-(Methylthio)phenyl)ethan-1-amine (CAS 1217456-30-8)
- 5-Chloro-4-hydroxypyridine-3-sulfonic Acid (CAS 1355205-07-0)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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