| CAS No. | 42499-21-8 |
| Molecular Formula | HO7P2 |
| Molecular Weight | 174.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Structurally, Diphosphate (HP2O73-) (HO7P2) contains a phosphate ester group. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 174.95 g/mol, it falls into the medium-molecular-weight range.
CATO supplies Diphosphate (HP2O73-) (CAS 42499-21-8), a certified reference material (molecular formula HO7P2, MW 174.95 g/mol) for analytical method development and quality control.
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.
CATO manufactures Diphosphate (HP2O73-) 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.
| Molecular Formula | HO7P2 |
| Molecular Weight | 174.95 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1969 |