2-(Phenylamino)terephthalic acid CAS 566155-75-7
| CAS No. | 566155-75-7 |
| Molecular Formula | C14H11NO4 |
| Molecular Weight | 257.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Phenylamino)terephthalic acid (CAS 566155-75-7) is a high-purity analytical reference standard with the molecular formula C14H11NO4 and a molecular weight of 257.24 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 2-(Phenylamino)terephthalic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 257.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 2-(Phenylamino)terephthalic 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 | C14H11NO4 |
| Molecular Weight | 257.24 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
Related Phenylamino Standards
- 5-(Phenylamino)-1,3,4-thiadiazole-2-sulfonamide (CAS 67341-56-4)
- 1-((Phenylamino)methyl)-1H-benzo[d]imidazole-2(3H)-thione (CAS 63771-06-2)
- (3Z)-3-[(Phenylamino)methylidene]-1,3-dihydro-2-benzothiophen-1-one (CAS 1164546-11-5)
- 4-(Phenylamino)quinazoline-2(1h)-thione (CAS 35696-83-4)
- 1-Methyl-3-(phenylamino)-2,3-dihydroquinazolin-4(1H)-one (CAS 95757-92-9)
- 3-Phenyl-4-(phenylamino)-1H-1,2,4-triazol-5(4H)-one (CAS 57735-14-5)
- 2-Oxo-2-(phenylamino)ethyl 4-amino-1,2,5-oxadiazole-3-carboxylate (CAS 311766-22-0)
- Ethyl 2-(2-(phenylamino)thiazol-4-yl)acetate (CAS 453524-57-7)
Recommended Standards
- 2-(Benzyloxy)-5-nitrobenzaldehyde (CAS 204130-60-9)
- 2-[3-(2-Nitro-1-propenyl)phenoxy]pyrimidine (CAS 855308-69-9)
- 2-(7-Hydroxy-2-oxo-2H-chromen-4-yl)-N-(prop-2-yn-1-yl)acetamide, 97% (CAS 923289-85-4)
- 2’-C-Methylcytidine (CAS 20724-73-6)
- (S)-Ethyl 1-methylpyrrolidine-2-carboxylate (CAS 936-14-1)
- 3,5-Difluoro-3-(2,4-dimethylphenyl)propiophenone (CAS 898794-58-6)
- ML 241 (CAS 1346528-06-0)
- 1-(3-Chlorophenyl)-1H-tetrazole-5-thiol (CAS 22384-88-9)
- Palmitic Acid-d3 (CAS 75736-53-7)
- N-methyl-N-(3-morpholin-4-ylbenzyl)amine (CAS 864068-83-7)
- Methyl 3-amino-4-(3-methoxyphenyl)thiophene-2-carboxylate (CAS 679425-85-5)
- 2-(2-(4-Phenyloxazol-2-yl)phenyl)acetic acid (CAS 104907-28-0)
- n-((5-Methylpyrimidin-2-yl)methyl)propan-2-amine (CAS 1341761-72-5)
- [D-Phe22]Semaglutide (CAS CATO-C4X-2226222)
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