[1,1’:4’,1’’-Terphenyl]-4,4’’-dicarboxylic Acid CAS 13653-84-4
| CAS No. | 13653-84-4 |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of [1,1’:4’,1’’-Terphenyl]-4,4’’-dicarboxylic Acid is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies [1,1’:4’,1’’-Terphenyl]-4,4’’-dicarboxylic Acid (CAS 13653-84-4), a certified reference material (molecular formula C20H14O4, MW 318.32 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, [1,1’:4’,1’’-Terphenyl]-4,4’’-dicarboxylic Acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 318.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), [1,1’:4’,1’’-Terphenyl]-4,4’’-dicarboxylic 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 | C20H14O4 |
| Molecular Weight | 318.32 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.) | 1960 |
Related Terphenyl Standards
- [1,1':4',1''-Terphenyl]-3,3''-dicarboxylicacid (CAS 1238854-14-2)
- [1,1':3',1''-Terphenyl]-4,4''-dicarboxylic acid (CAS 13215-72-0)
- [1,1':2',1''-Terphenyl]-4,4''-dicarboxylicacid (CAS 77951-96-3)
- [1,1':4',1''-Terphenyl]-3,5-dicarboxylicacid (CAS 2170439-29-7)
- 5'-Phenyl-[1,1':3',1''-terphenyl]-4-amine (CAS 343239-58-7)
- [1,1':4',1''-Terphenyl]-4,4''-bis(carboximidamide) (CAS 851340-73-3)
- 1,1'-([1,1':4',1''-Terphenyl]-4,4''-diyl)bis(ethan-1-one) (CAS 4191-07-5)
- [1,1':3',1''-Terphenyl]-4,4'',5'-tricarbaldehyde (CAS 1977585-07-1)
Recommended Standards
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- 2,5-Diphenylterephthalic acid (CAS 13962-92-0)
- 4-[4-(4-Formylphenoxy)phenoxy]benzaldehyde (CAS 126026-43-5)
- 5-(4-((4-Chlorophenyl)sulfonyl)phenyl)-1,3,4-thiadiazole-2(3H)-thione (CAS 6501-04-8)
- Chlorazifop Propargyl Ester (CAS 72280-52-5)
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- (2E)-3-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-N-cycloheptylprop-2-enamide (CAS 477870-71-6)
- (E)-tert-Butyl (3-(2-methoxyethyl)-4-oxo-1,3,7-triazaspiro[4.4]nonan-2-ylidene)carbamate oxalate (CAS 1956426-90-6)
- Di-tert-butyl (4-bromo-2-iodophenyl)iminodicarbonate (CAS 1026964-34-0)
- 2-Chloro-N-(5-isobutyl-1,3,4-oxadiazol-2-yl)acetamide (CAS 1251923-52-0)
- 2-Methoxy-N-(tetrahydro-2H-thiopyran-4-yl)pyridin-3-amine (CAS 1157632-89-7)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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