857891-82-8 Azido-PEG-amine (n=8) O-(2-Aminoethyl)-O inverted exclamation marka-(2-azidoethyl)heptaethylene glycol CAS 857891-82-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 857891-82-8 |
| Molecular Formula | C18H38N4O8 |
| Molecular Weight | 438.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
857891-82-8 Azido-PEG-amine (n=8) O-(2-Aminoethyl)-O inverted exclamation marka-(2-azidoethyl)heptaethylene glycol (CAS 857891-82-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H38N4O8. Molecular weight: 438.52 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H38N4O8 |
| Molecular Weight | 438.52 g/mol |
| 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
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