361189-64-2 alpha-Hydroxy-omega-carboxy t-butyl ester hexa(ethylene glycol) MFCD13185017 HO-PEG6-CO-OtBu CAS 361189-64-2
| CAS No. | 361189-64-2 |
| Molecular Formula | C19H38O9 |
| Molecular Weight | 410.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 361189-64-2 alpha-Hydroxy-omega-carboxy t-butyl ester hexa(ethylene glycol) MFCD13185017 HO-PEG6-CO-OtBu is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 410.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
361189-64-2 alpha-Hydroxy-omega-carboxy t-butyl ester hexa(ethylene glycol) MFCD13185017 HO-PEG6-CO-OtBu (CAS 361189-64-2) is a high-purity analytical reference standard with the molecular formula C19H38O9 and a molecular weight of 410.50 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H38O9 |
| Molecular Weight | 410.50 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2025 |
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