2',3"-Dimethyl-[1,1':4',1":4",1"'-quaterphenyl]-4,4"'-dicarboxylic acid CAS 1799740-98-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1799740-98-9 |
| Molecular Formula | C28H22O4 |
| Molecular Weight | 422.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2',3"-Dimethyl-[1,1':4',1":4",1"'-quaterphenyl]-4,4"'-dicarboxylic acid (CAS 1799740-98-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H22O4. Molecular weight: 422.47 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H22O4 |
| Molecular Weight | 422.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
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