| CAS No. | 633278-49-6 |
| Molecular Formula | C5H11O4P |
| Molecular Weight | 166.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Structurally, 4-(Hydroxymethyl)-2-methoxy-1,2-oxaphospholane 2-oxide (C5H11O4P) contains a carbohydrate-derived structure, a phosphate ester group. The molecule exhibits a degree of unsaturation (DBE) of 0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 166.11 g/mol, it falls into the medium-molecular-weight range.
CATO supplies 4-(Hydroxymethyl)-2-methoxy-1,2-oxaphospholane 2-oxide (CAS 633278-49-6), a certified reference material (molecular formula C5H11O4P, MW 166.11 g/mol) for analytical method development and quality control.
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), 4-(Hydroxymethyl)-2-methoxy-1,2-oxaphospholane 2-oxide 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.
| Molecular Formula | C5H11O4P |
| Molecular Weight | 166.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 1985 |