| CAS No. | 69365-73-7 |
| Molecular Formula | 4*C19H21N2O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 383.48 g/mol gives Propanedioic acid, 2-butyl-, 1-(1,2-diphenylhydrazide), calcium salt, hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Propanedioic acid, 2-butyl-, 1-(1,2-diphenylhydrazide), calcium salt, hydrate (CAS 69365-73-7) is a high-purity analytical reference standard with the molecular formula C19H21N2O3CaH2O and a molecular weight of 383.48 g/mol.
Propanedioic acid, 2-butyl-, 1-(1,2-diphenylhydrazide), calcium salt, hydrate (C19H21N2O3CaH2O) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), Propanedioic acid, 2-butyl-, 1-(1,2-diphenylhydrazide), calcium salt, hydrate 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 | 4*C19H21N2O3 2*Ca H2O |
| Molecular Weight | 383.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |