5,5'-((5'-(4-((3,5-Dicarboxyphenyl)ethynyl)phenyl)-[1,1':3',1''-terphenyl]-4,4''-diyl)bis(ethyne-2,1-diyl))diisophthalic acid CAS 1219980-38-7
| CAS No. | 1219980-38-7 |
| Molecular Formula | C54H30O12 |
| Molecular Weight | 870.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5,5'-((5'-(4-((3,5-Dicarboxyphenyl)ethynyl)phenyl)-[1,1':3',1''-terphenyl]-4,4''-diyl)bis(ethyne-2,1-diyl))diisophthalic acid (CAS 1219980-38-7), molecular formula C54H30O12 and molecular weight 870.81 g/mol, is a CATO reference standard with documented purity and traceability.
5,5'-((5'-(4-((3,5-Dicarboxyphenyl)ethynyl)phenyl)-[1,1':3',1''-terphenyl]-4,4''-diyl)bis(ethyne-2,1-diyl))diisophthalic acid (C54H30O12) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. 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).
As a certified reference material (CRM), 5,5'-((5'-(4-((3,5-Dicarboxyphenyl)ethynyl)phenyl)-[1,1':3',1''-terphenyl]-4,4''-diyl)bis(ethyne-2,1-diyl))diisophthalic 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 | C54H30O12 |
| Molecular Weight | 870.81 g/mol |
| 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) | 40.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Dicarboxyphenyl Standards
- 5',5''-Bis(3,5-dicarboxyphenyl)-2',2'',4',4'',6',6''-hexamethyl-[1,1':3',1'':3'',1'''-quaterphenyl]-3,3''',5,5'''-tetracarboxylic acid (CAS 2135702-33-7)
- 5',5''-Bis(3,5-dicarboxyphenyl)-[1,1':3',1'':3'',1'''-quaterphenyl]-3,3''',5,5'''-tetracarboxylic acid (CAS 1569900-75-9)
- 4',5'-Bis(3,5-dicarboxyphenyl)-3',6'-dimethyl-[1,1':2',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 2387901-77-9)
- 4',5'-Bis(3,5-dicarboxyphenyl)-[1,1':2',1"-terphenyl]-3,3'',5,5"-tetracarboxylic acid (CAS 1364673-98-2)
- 5'-(3,5-Dicarboxyphenyl)-2',4',6'-trimethyl-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 1374764-27-8)
- 5'-(3,5-Dicarboxyphenyl)-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 1228047-99-1)
- 3,8-Bis(3,5-dicarboxyphenyl)-1,10-phenanthroline (CAS 2787479-95-0)
- 5'-((3,5-Dicarboxyphenyl)ethynyl)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1542480-30-7)
Recommended Standards
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- Aztreonam Dimer Impurity N3 (CAS 730928-60-6)
- (1,1,1-Trifluoromethanesulfonato-κO)bis(triphenylphosphine)gold (CAS 61359-40-8)
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- Methyl 2-O-allyl-4-6-O-benzylidene-3-O-(2-3-4-6-tetra-O-acetyl-α-D-mannopyranosyl)-α-D-mannopyranoside (CAS 82185-93-1)
- Boc-cyclohexyl-D-Gly-OH (CAS 70491-05-3)
- 3-(3-Methylthiophene-2-carboxamido)tetrahydrothiophene-3-carboxylic acid (CAS 1281376-38-2)
- (R)-Methyl 2-(benzylamino)-3-methylbutanoate hydrochloride (CAS 210917-86-5)
- 1-(3-(Trifluoromethyl)pyridin-4-yl)cyclopropane-1-carboxylic acid (CAS 1427024-73-4)
- 5-ethoxy-1,3-benzothiazol-2-amine (CAS 70066-70-5)
- 6-(1H-pyrazol-1-yl)picolinaldehyde (CAS 217657-66-4)
- 2-bromo-6-(trifluoromethyl)naphthalene (CAS 853017-60-4)
- N-(4-Hydroxy-3-oxo-2,3-dihydro-1H-inden-5-yl)acetamide (CAS 1000333-88-9)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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