Di(4-nitrophenyl)phosphoryl Chloride CAS 6546-97-0
| CAS No. | 6546-97-0 |
| Molecular Formula | C12H8ClN2O7P |
| Molecular Weight | 358.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Di(4-nitrophenyl)phosphoryl Chloride 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.
Di(4-nitrophenyl)phosphoryl Chloride (CAS 6546-97-0) is a high-purity analytical reference standard with the molecular formula C12H8ClN2O7P and a molecular weight of 358.63 g/mol.
Based on its molecular formula C12H8ClN2O7P, Di(4-nitrophenyl)phosphoryl Chloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 358.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C12H8ClN2O7P |
| Molecular Weight | 358.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Di Standards
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Recommended Standards
- 6,8-dichloro-2-(5-chlorothiophen-2-yl)quinoline-4-carboxylic acid (CAS 897558-65-5)
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- 1-[(2,4,5-Trichlorophenyl)sulfonyl]-2-pyrrolidinecarboxylic acid (CAS 251097-12-8)
- 1,4-Bis(3,7-dimethyloctyl)benzene (CAS 211809-80-2)
- 2-(6-sulfanylhexyl)-2,3-dihydro-1H-isoindole-1,3-dione (CAS 85847-47-8)
- 2-(2-Iodophenoxy)-5-methylaniline (CAS 869790-16-9)
- 2-[5-(Dimethylamino)-1H-1,2,3,4-tetrazol-1-yl]-N-[(1E)-(methoxyimino)methyl]acetamide (CAS 321432-59-1)
- 2,4-dimethoxy-6-methylbenzonitrile (CAS 319921-60-3)
- (trans-4-(4-chlorophenyl)piperidin-3-yl)methanol (CAS 447453-20-5)
- (R)-Methyl 3-((tert-butyldimethylsilyl)oxy)hex-5-enoate (CAS 121980-44-7)
- 6-Chloro-2-(chloromethyl)-4(1H)-quinolinone (CAS 946784-67-4)
- 3-Chloro-6-(piperidin-3-ylmethoxy)pyridazine hydrochloride (CAS 1185311-75-4)
- 3-Azabicyclo[3.1.0]hexane Hydrochloride (CAS 73799-64-1)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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