4,4'-Difluoro-[1,1'-biphenyl]-3,3',5,5'-tetracarboxylic acid CAS 1628901-94-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1628901-94-9 |
| Molecular Formula | C16H8F2O8 |
| Molecular Weight | 366.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4'-Difluoro-[1,1'-biphenyl]-3,3',5,5'-tetracarboxylic acid (CAS 1628901-94-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H8F2O8. Molecular weight: 366.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H8F2O8 |
| Molecular Weight | 366.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F-containing |
Related Difluoro Standards
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- 2,5-Difluoro-1,4-Benzenediboronic Acid Bis(pinacol) Ester (CAS 303006-90-8)
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Recommended Standards
- 3-(6-(4-Bromophenyl)-5-methylthiazolo[3,2-b][1,2,4]triazol-2-yl)propanoic acid (CAS 1437482-01-3)
- (2E)-3-(6-Bromo-2H-1,3-benzodioxol-5-yl)-N-[(thiophen-2-yl)methyl]prop-2-enamide (CAS 478064-52-7)
- 2-(2-Fluoro-4-(2-((tetrahydro-2H-pyran-2-yl)oxy)ethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1248556-35-5)
- 4-(3-(2-Aminoethyl)ureido)-N-methyl-N-(1,1,4,4,5,5,8,8-octamethyl-1,2,3,4,5,6,7,8-octahydroanthracen-9-yl)benzamide (CAS CATO-C3D-262695)
- N-(2-phenylpropyl)hexan-2-amine (CAS 1157675-40-5)
- 5H-Pyrrolo[2,3-b]pyrazine (CAS 4745-93-1)
- 5-Cyclopropoxy-4-ethylnicotinaldehyde (CAS 1243357-29-0)
- 4-Hydroxy-1-[2-(trifluoromethyl)phenyl]-1h-pyrazole-3-carboxylic acid (CAS 956203-24-0)
- 7,7′-Dibromo-9,9,9′,9′-tetraoctyl-2,2′-bi-9H-fluorene (CAS 428865-53-6)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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