| CAS No. | 123317-52-2 |
| Molecular Formula | C23H35N5O8 |
| Molecular Weight | 509.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2,2',2'',2'''-(2-(4-Aminobenzyl)-1,4,7,10-tetraazacyclododecane-1,4,7,10-tetrayl)tetraacetic acid (CAS 123317-52-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H35N5O8. Molecular weight: 509.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C23H35N5O8 |
| Molecular Weight | 509.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 5 |