5'-(4-Carboxyphenyl)-[1,1':3',1''-terphenyl]-3,4'',5-tricarboxylic acid CAS 1250980-04-1
| CAS No. | 1250980-04-1 |
| Molecular Formula | C28H18O8 |
| Molecular Weight | 482.44 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'-(4-Carboxyphenyl)-[1,1':3',1''-terphenyl]-3,4'',5-tricarboxylic acid (CAS 1250980-04-1), molecular formula C28H18O8 and molecular weight 482.44 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5'-(4-Carboxyphenyl)-[1,1':3',1''-terphenyl]-3,4'',5-tricarboxylic acid (C28H18O8) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 20.0, corresponding to approximately 20 ring(s) or double-bond equivalent(s). With a molecular weight of 482.44 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5'-(4-Carboxyphenyl)-[1,1':3',1''-terphenyl]-3,4'',5-tricarboxylic 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 | C28H18O8 |
| Molecular Weight | 482.44 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Carboxyphenyl Standards
- 5'-(4-Carboxyphenyl)-2'-methoxy-4'-methyl-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1842393-49-0)
- 5'-(4-Carboxyphenyl)-2'-nitro-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1842393-52-5)
- 5-[2,6-Bis(4-carboxyphenyl)-4-pyridinyl]-1,3-Benzenedicarboxylicacid (CAS 1868146-04-6)
- 5'-(4-Carboxyphenyl)-2',4',6'-trimethyl-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1246562-60-6)
- 2,4,6-Tris(4-carboxyphenyl)anisole (CAS 1354550-11-0)
- 2,4,6-Tris(4-carboxyphenyl)-s-triazine 4,4 inverted exclamation marka,4 inverted exclamation marka-[1,3,5]Triazine-2,4,6-triyl-tris-benzoic acid 4,4 inverted exclamation marka,4 inverted exclamation marka-s-Triazine-2,4,6-triyl-tribenzoic acid 61414-16-2 H3TATB p-Cyanobenzoic acid trimer (CAS 61414-16-2)
- 1,3,5-Tris(4-carboxyphenyl)benzene 4,4 inverted exclamation marka,4 inverted exclamation marka inverted exclamation marka,-Benzene-1,3,5-triyl-tris(benzoic acid) 50446-44-1 H3BTB (CAS 50446-44-1)
- 5'-(4-Carboxyphenyl)-2'-hydroxy-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1353118-75-8)
Recommended Standards
- Pyrilutamide (CAS 1272719-00-2)
- N-(4-(4-(Bis(2-chloroethyl)amino)phenoxy)butyl)acridin-9-amine (CAS 130031-47-9)
- Vanillin 2',3',4',6'-O-Tetraacetyl-β-D-Glucoside (CAS 23598-07-4)
- 4-((6-Amino-1-(4-methoxyphenyl)-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)carbamoyl)-1,2-phenylene diacetate (CAS 176379-15-0)
- (R)-3-Amino-2-benzylpropanoic acid hydrochloride (CAS 1276055-51-6)
- 128230-87-5 cis-2-Fluoro-1-methylcyclopropanecarboxylic acid (CAS 128230-87-5)
- 4-Amino-5-pyrimidinemethylamine (CAS 103694-27-5)
- 7-Fluoro-1-methyl-1,2,3,4-tetrahydroquinoxaline (CAS 1354953-50-6)
- N-Benzyl-5-chloro-3-phenyl-2H-isoindole-1-carboxamide (CAS 61295-36-1)
- tert-Butyl (3S,3aS,7aR)-3-hydroxyhexahydropyrano[3,2-b]pyrrole-1(2H)-carboxylate (CAS 1330766-33-0)
- 5-Methylaminouracil (CAS 7577-92-6)
- 2-Ethoxy-N-methyl-1-propanamine (CAS 883538-59-8)
- (3-BRomophenyl)trimethylsilane (CAS 17878-47-6)
- Galanin Message Associated Peptide (44-59) amide (CAS 125455-59-6)
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