m-PEG3-NHS ester CAS 876746-59-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 876746-59-7 |
| Molecular Formula | C12H19NO7 |
| Molecular Weight | 289.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity m-PEG3-NHS ester (CAS 876746-59-7) pharmaceutical standards reference standard. Molecular formula: C12H19NO7. Molecular weight: 289.28 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H19NO7 |
| Molecular Weight | 289.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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Why CATO?
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