4,4'-Dichloro-[1,1'-biphenyl]-3,3'-dicarboxylic acid CAS 70994-42-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70994-42-2 |
| Molecular Formula | C14H8Cl2O4 |
| Molecular Weight | 311.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,4'-Dichloro-[1,1'-biphenyl]-3,3'-dicarboxylic acid (CAS 70994-42-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H8Cl2O4. Molecular weight: 311.12 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H8Cl2O4 |
| Molecular Weight | 311.12 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- cis-Dichlorobis-1,2-diaminoethanerhodate(1-) (chloride) (CAS 15444-62-9)
- 4-Fluoro-3,3-dimethyl-2,3-dihydro-1H-inden-1-one (CAS 1501959-50-7)
- 2-((2,6-Dimethylheptan-4-yl)amino)ethan-1-ol (CAS 91964-41-9)
- {4-[2-Amino-6-(cyclopropylmethyl)-9H-purin-9-yl]cyclopent-2-en-1-yl}methanol sulfate (CAS 1902343-14-9)
- Liraglutide-d8 Tritrifluoroacetate (CAS CATO-C4X-199223)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com