3',4'-Bis(4-carboxyphenyl)-[1,1':2',1''-terphenyl]-4,4''-dicarboxylicacid CAS 1670924-00-1
| CAS No. | 1670924-00-1 |
| Molecular Formula | C34H22O8 |
| Molecular Weight | 558.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3',4'-Bis(4-carboxyphenyl)-[1,1':2',1''-terphenyl]-4,4''-dicarboxylicacid (CAS 1670924-00-1), molecular formula C34H22O8 and molecular weight 558.53 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3',4'-Bis(4-carboxyphenyl)-[1,1':2',1''-terphenyl]-4,4''-dicarboxylicacid (C34H22O8) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 3',4'-Bis(4-carboxyphenyl)-[1,1':2',1''-terphenyl]-4,4''-dicarboxylicacid 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 | C34H22O8 |
| Molecular Weight | 558.53 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) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related Bis Standards
- 4',5'-Bis(4-carboxyphenyl)-[1,1':2',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1078153-58-8)
- 4',5'-Bis(3-carboxyphenyl)-[1,1':2',1''-terphenyl]-3,3''-dicarboxylic acid (CAS 1629643-34-0)
- 4-{2-{3,5-Bis[2-(4-carboxyphenyl)-1-ethynyl]-2,4,6-trimethylphenyl}-1-ethynyl}benzoic acid (CAS 1133384-24-3)
- 5-(3,6-Bis(4-carboxyphenyl)-9H-carbazol-9-yl)isophthalicacid (CAS 2588354-01-0)
- 5'-(4-Carboxyphenyl)-2'-(hexyloxy)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylicacid (CAS 1774401-33-0)
- 2-{5-[(2-carboxyphenyl)sulfamoyl]-2,4-dimethoxybenzenesulfonamido}benzoic acid (CAS 825600-72-4)
- 4',5'-Bis(4-carboxyphenyl)-3',6'-dimethyl-[1,1':2',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 2161327-52-0)
- 4',5'-Bis(4-carboxyphenyl)-3',6'-dihydroxy-[1,1':2',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 2415189-01-2)
Recommended Standards
- 4-Butyl-2,5-dioxoimidazolidine-4-carbaldehyde (CAS 6974-17-0)
- (Z)-{2,2,2-trifluoro-1-[1-(4-fluorophenyl)-5-(4-methanesulfonylphenyl)-2-methyl-1H-pyrrol-3-yl]ethylidene}amino 4-methylbenzoate (CAS 860787-99-1)
- Letermovir Impurity 4 (CAS CATO-CP155165)
- Losulazine (CAS 72141-57-2)
- 2-(3-Bromobenzyl)isoindoline-1,3-dione (CAS 183735-18-4)
- 3-Phenyl-1,2,4-thiadiazol-5-yl dipropylcarbamodithioate (CAS 62652-48-6)
- 2-Chloro-6-(difluoromethyl)-3-(trifluoromethyl)pyridin-4-amine (CAS 1806811-72-2)
- 7-Chloro-5-(6-(2-chlorobenzyl)pyridin-2-yl)thiazolo[4,5-d]pyrimidine (CAS 1332472-50-0)
- (1S,5S)-3-ethyl-7-(hydroxy(pyridin-4-yl)methyl)bicyclo[3.2.0]hept-3-en-6-one (CAS CATO-C3D-26073)
- 2-(3-Boc-Aminophenyl)phenol (CAS 1261900-37-1)
- 4-(Piperidin-1-yl)-[1,2,4]triazolo[4,3-a]quinoxaline (CAS 127710-41-2)
- N-Isobutyryl-3'-O-acetyl-2'-deoxyguanosine (CAS 74925-81-8)
- ethyl 3-(4-acetylphenoxy)propanoate (CAS 1099624-24-4)
- 3X Flag Peptide trifluoroacetate salt (CAS 402750-12-3)
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