Acid-PEG25-NHS ester CAS 2563872-17-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2563872-17-1 |
| Molecular Formula | C58H109NO31 |
| Molecular Weight | 1316.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Acid-PEG25-NHS ester (CAS 2563872-17-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C58H109NO31. Molecular weight: 1316.47 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C58H109NO31 |
| Molecular Weight | 1316.47 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 1 |
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Why CATO?
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