| CAS No. | 26780-49-4 |
| Molecular Formula | C8H6O4 C5H12O2 C2H6O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1,4-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol and 1,2-ethanediol (CAS 26780-49-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6O4 C5H12O2 C2H6O2. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C8H6O4 C5H12O2 C2H6O2 |
| Molecular Weight | 332.35 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |