4,4',4'',4'''-([1,1'-Biphenyl]-4,4'-diyldinitrilo)tetrakis[benzoic acid] CAS 1193093-31-0
Purity 97%+In StockPharmaceutical Standards
| 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
4,4',4'',4'''-([1,1'-Biphenyl]-4,4'-diyldinitrilo)tetrakis[benzoic acid] (CAS 1193093-31-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C40H28N2O8. Molecular weight: 664.66 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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 |
Related Biphenyl Standards
- 6,6'-([1,1'-Biphenyl]-4,4'-diyl)bis(2,4-diphenylnicotinonitrile) (CAS 102146-60-1)
- [[1,1′-Biphenyl]-2-ylbis(1,1-dimethylethyl)phosphine](4,5-dihydro-4,4-dimethyl-2-phenyl-3-furanyl)gold (CAS 1580548-40-8)
- 10,10'-Di([1,1'-biphenyl]-4-yl)-9,9'-bianthracene (CAS 172285-79-9)
- N-([1,1'-biphenyl]-4-yl)-N-(9,9-dimethyl-9H-fluoren-2-yl)-9,9'-spirobi[fluoren]-2-amine (CAS 1364602-88-9)
- N-[1,1′-Biphenyl]-2-yl-N-(9,9-dimethyl-9H-fluoren-2-yl)-9,9′-spirobi[9H-fluoren]-2-amine (CAS 1364603-07-5)
- N-([1,1'-biphenyl]-2-yl)-N-(9,9-dimethyl-9H-fluoren-2-yl)-9,9'-spirobi[fluoren]-4-amine (CAS 1450933-44-4)
- N-([1,1'-biphenyl]-2-yl)-N-(9,9-dimethyl-9H-fluoren-2-yl)-9,9-diphenyl-9H-fluoren-2-amine (CAS 1574121-95-1)
- N-([1,1'-Biphenyl]-4-yl)-9,9-dimethyl-N-(4-(9-phenyl-9H-carbazol-3-yl)phenyl)-9H-fluoren-2-amine (CAS 1242056-42-3)
Recommended Standards
- Podophyllotoxin Impurity 8 (CAS 16481-54-2)
- [Fe(dcpp)2](PF6)2 (CAS 1509953-72-3)
- Mycophenolic Acid Methyl Ester Phenolic 6-(2,3,4,6-tetra-O-Acetyl-β-D-glucoside) (CAS 1186295-42-0)
- 4-(5-Bromopyrimidin-4-yl)piperazin-2-one (CAS 1536639-96-9)
- 1-chloro-4-methyl-2,5-dinitrobenzene (CAS CATO-C3D-262915)
- 2-(tert-Butoxy)-4-hydroxy-N-methylbenzamide (CAS 1243440-96-1)
- 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)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com