2,2',2",5'-Tetramethyl-[1,1':4',1"-terphenyl]-4,4"-dicarboxylic acid CAS 1402919-96-3
| CAS No. | 1402919-96-3 |
| Molecular Formula | C24H22O4 |
| Molecular Weight | 374.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,2',2",5'-Tetramethyl-[1,1':4',1"-terphenyl]-4,4"-dicarboxylic acid (CAS 1402919-96-3), a certified reference material (molecular formula C24H22O4, MW 374.43 g/mol) for analytical method development and quality control.
Structurally, 2,2',2",5'-Tetramethyl-[1,1':4',1"-terphenyl]-4,4"-dicarboxylic acid (C24H22O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 374.43 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C24H22O4 |
| Molecular Weight | 374.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Tetramethyl Standards
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1071454-83-5)
- 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-indazole (CAS 1158680-93-3)
- 7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-indazole (CAS 1158680-95-5)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-benzo[d]Imidazole (CAS 317830-46-9)
- Tetramethyl Ibandronate (CAS 1076199-42-2)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 2759933-27-0)
- 2-(1-(2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)ethyl)-1H-1,2,3-triazol-4-yl)propan-2-ol (CAS 957035-00-6)
- 3-[1-oxo-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoindolin-2-yl]piperidine-2,6-dione (CAS 2291363-98-7)
Recommended Standards
- Benzyl (2-(benzylamino)-2-oxo-1-phenylethyl)carbamate (CAS 1379796-36-7)
- (S)-(-)-2,2’-Bis(methoxymethoxy)-1,1’-binaphthalene (CAS 142128-92-5)
- (2E)-1-{[1,1'-Biphenyl]-4-yl}-3-(2,3,4-trimethoxyphenyl)prop-2-en-1-one (CAS 1354942-46-3)
- Crovatin (CAS 142409-09-4)
- 6-(1-chloroethyl)-N-phenyl-1,3,5-triazine-2,4-diamine (CAS 99860-35-2)
- 5-ethylcyclohexane-1,3-dione (CAS 57641-76-6)
- N-(4-chloro-2,5-dimethoxyphenyl)-2-(4-(3-chlorophenyl)piperazin-1-yl)acetamide (CAS 720667-90-3)
- N-((5-methylfuran-2-yl)methyl)-2-morpholinoethan-1-amine (CAS 626209-63-0)
- 2-Chloro-1-[4-(2,5-dimethoxybenzenesulfonyl)piperazin-1-yl]ethan-1-one (CAS 717904-71-7)
- ethyl 3-(chloromethyl)-5-methyl-1,2-oxazole-4-carboxylate (CAS 266341-73-5)
- 2-Amino-N-(3-bromobenzyl)-N-methylacetamide (CAS 1178690-98-6)
- 6-Bromo-5-methylimidazo[1,2-a]pyridine-2-carbohydrazide (CAS 1820706-68-0)
- 2-Amino-4-chlorobenzenethiol (CAS 1004-00-8)
- Dulaglutide (CAS 923950-08-7)
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