D-Arabino-2-Hexulosonic acid calcium salt dihydrate CAS 304655-85-4
| CAS No. | 304655-85-4 |
| Molecular Formula | C12H18CaO14 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 444.36 g/mol gives D-Arabino-2-Hexulosonic acid calcium salt dihydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
D-Arabino-2-Hexulosonic acid calcium salt dihydrate (CAS 304655-85-4) is a high-purity analytical reference standard with the molecular formula C12H18CaO14H2O and a molecular weight of 444.36 g/mol.
Structurally, D-Arabino-2-Hexulosonic acid calcium salt dihydrate (C12H18CaO14H2O) contains a carbohydrate-derived structure. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 444.36 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
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 | C12H18CaO14 H2O |
| Molecular Weight | 444.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
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- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
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