Hydroxy-PEG2-C2-methyl ester CAS 457897-73-3
| CAS No. | 457897-73-3 |
| Molecular Formula | C8H16O5 |
| Molecular Weight | 192.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 192.21 g/mol gives Hydroxy-PEG2-C2-methyl ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Hydroxy-PEG2-C2-methyl ester (CAS 457897-73-3), a certified reference material (molecular formula C8H16O5, MW 192.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H16O5, Hydroxy-PEG2-C2-methyl ester contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 192.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Hydroxy-PEG2-C2-methyl ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H16O5 |
| Molecular Weight | 192.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2025 |
Related Hydroxy Standards
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- 2-(2-((4-Ethylcyclohexyl)amino)ethoxy)ethan-1-ol (CAS 1038266-49-7)
- 1-[(2,2-diphenylacetyl)oxy]cyclohexane-1-carboxylic acid (CAS 924043-48-1)
- 5-tert-butyl-1H-pyrrole-3-carboxylic acid (CAS 1936030-87-3)
- Semaglutide238 (CAS CATO-C4X-2226238)
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