Diphenyl (1-methyl-4-oxoimidazolidin-2-ylidene)phosphoramidate CAS 855158-73-5
| CAS No. | 855158-73-5 |
| Molecular Formula | C16H16N3O4P |
| Molecular Weight | 345.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Diphenyl (1-methyl-4-oxoimidazolidin-2-ylidene)phosphoramidate 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.
CATO supplies Diphenyl (1-methyl-4-oxoimidazolidin-2-ylidene)phosphoramidate (CAS 855158-73-5), a certified reference material (molecular formula C16H16N3O4P, MW 345.29 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage, Diphenyl (1-methyl-4-oxoimidazolidin-2-ylidene)phosphoramidate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 345.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H16N3O4P |
| Molecular Weight | 345.29 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Diphenyl Standards
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Recommended Standards
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- 5-(4-Chlorobenzyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 31405-23-9)
- 6-Ethyl-3-(morpholin-4-ylcarbonyl)-4,5,6,7-tetrahydro-1-benzothien-2-ylamine (CAS 590351-57-8)
- 5-Chloro-4-(((2,6-dichlorophenyl)thio)methyl)-1-methyl-3-((p-tolylthio)methyl)-1H-pyrazole (CAS 318248-67-8)
- 5,5-Dimethyl-3-nitrosooxazolidin-2-one (CAS 24519-03-7)
- 1-(1,3-Dimethyl-1H-pyrazol-4-yl)ethan-1-ol (CAS 108905-81-3)
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- 2-((3,4-Dimethoxyphenyl)amino)quinazolin-4(1H)-one (CAS 61741-35-3)
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