| CAS No. | 10305-36-9 |
| Molecular Formula | C4H11O5P |
| Molecular Weight | 170.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 4-Hydroxybutyl dihydrogen phosphate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
4-Hydroxybutyl dihydrogen phosphate (CAS 10305-36-9), molecular formula C4H11O5P and molecular weight 170.10 g/mol, is a CATO reference standard with documented purity and traceability.
4-Hydroxybutyl dihydrogen phosphate (C4H11O5P) contains a carbohydrate-derived structure, a phosphate ester group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
| Molecular Formula | C4H11O5P |
| Molecular Weight | 170.10 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.) | 1959 |