| CAS No. | 2248401-83-2 |
| Molecular Formula | C6H12N3OP |
| Molecular Weight | 173.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(5-Amino-1-methyl-1H-pyrazol-4-yl)dimethylphosphine oxide (CAS 2248401-83-2) is a high-purity analytical reference standard with the molecular formula C6H12N3OP and a molecular weight of 173.15 g/mol.
Owing to an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage, (5-Amino-1-methyl-1H-pyrazol-4-yl)dimethylphosphine oxide is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 173.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), (5-Amino-1-methyl-1H-pyrazol-4-yl)dimethylphosphine oxide 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 | C6H12N3OP |
| Molecular Weight | 173.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 3 |