Propargyl-PEG4-Br CAS 1308299-09-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1308299-09-3 |
| Molecular Formula | C11H19BrO4 |
| Molecular Weight | 295.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Propargyl-PEG4-Br (CAS 1308299-09-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H19BrO4. Molecular weight: 295.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H19BrO4 |
| Molecular Weight | 295.17 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
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- L-838417 (CAS 286456-42-6)
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