5'-(4-Sulfophenyl)-[1,1':3',1''-terphenyl]-4,4''-disulfonic acid CAS 343821-13-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 343821-13-6 |
| Molecular Formula | C24H18O9S3 |
| Molecular Weight | 546.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5'-(4-Sulfophenyl)-[1,1':3',1''-terphenyl]-4,4''-disulfonic acid (CAS 343821-13-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H18O9S3. Molecular weight: 546.59 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C24H18O9S3 |
| Molecular Weight | 546.59 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 3 |
Related Sulfophenyl Standards
- 4,7-Bis(4-sulfophenyl)-1,10-phenanthroline disodium salt (CAS 53744-42-6)
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- 4',5'-Bis(4-sulfophenyl)-[1,1':2',1''-terphenyl]-4,4''-disulfonic acid (CAS 1629096-09-8)
- 3-[Ethyl[(4-sulfophenyl)methyl]amino]benzenesulfonic Acid (CAS 6268-04-8)
- 8(p-Sulfophenyl)theophylline (CAS 80206-91-3)
- 1-(2-Methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 67939-25-7)
- 5-Oxo-1-(4-sulfophenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 51307-71-2)
- 5-Oxo-1-(4-Sulfophenyl)-4,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid (CAS 118-47-8)
Recommended Standards
- 3'-Deoxy-3'-fluoro-5'-O-(4,4'-dimethoxytrityl)thymidine (CAS 290371-78-7)
- Lifitegrast Impurity 103 (CAS CATO-C4X-2409103)
- 4-ETHYL-N-{3-[(4-METHYLPIPERAZIN-1-YL)METHYL]-5-(TRIFLUOROMETHYL)PHENYL-3-(2-{PYRAZOLO[1,5-A]PYRIMIDIN-6-YLETHYNYL)BENZAMIDE (CAS 1429617-90-2)
- Somatostatin Acetate (CAS 38916-34-6（free base）)
- 7-Ethynyl-4-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1823896-56-5)
- 1-(5-(tert-Butylthio)-3-methylpyridin-2-yl)-4-isopropylpiperazine (CAS 1355189-41-1)
- 1-(2-Chlorophenyl)cyclobutanamine (CAS 1228994-80-6)
- 1-Cyclopropyl-3,5-dimethoxybenzene (CAS 1063960-56-4)
- 5-Methyl-N-(1,3-thiazol-2-yl)-3-[(2E)-3-{[4-(trifluoromethoxy)phenyl]amino}prop-2-enoyl]-1,2-oxazole-4-carboxamide (CAS 338794-77-7)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com