20039-37-6 A814196 oxidanidyl-(oxidanidyl-bis(oxidanylidene)chromio)oxy-bis(oxidanylidene)chromium; pyridin-1-ium oxido-(oxido(dioxo)chromio)oxy-dioxochromium; pyridin-1-ium CAS 20039-37-6
| CAS No. | 20039-37-6 |
| Molecular Formula | H2Cr2O7 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula H2Cr2O7C5H11N, 20039-37-6 A814196 oxidanidyl-(oxidanidyl-bis(oxidanylidene)chromio)oxy-bis(oxidanylidene)chromium; pyridin-1-ium oxido-(oxido(dioxo)chromio)oxy-dioxochromium; pyridin-1-ium contains a carbohydrate-derived structure, an amide group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 303.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 20039-37-6 A814196 oxidanidyl-(oxidanidyl-bis(oxidanylidene)chromio)oxy-bis(oxidanylidene)chromium; pyridin-1-ium oxido-(oxido(dioxo)chromio)oxy-dioxochromium; pyridin-1-ium (CAS 20039-37-6), a certified reference material (molecular formula H2Cr2O7C5H11N, MW 303.15 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.
As a certified reference material (CRM), 20039-37-6 A814196 oxidanidyl-(oxidanidyl-bis(oxidanylidene)chromio)oxy-bis(oxidanylidene)chromium; pyridin-1-ium oxido-(oxido(dioxo)chromio)oxy-dioxochromium; pyridin-1-ium 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.
Physical & Chemical Properties
| Molecular Formula | H2Cr2O7 2*C5H11N |
| Molecular Weight | 303.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
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