Diethyl (4-iodobenzoyl)phosphonate CAS 156017-40-2
| CAS No. | 156017-40-2 |
| Molecular Formula | C11H14IO4P |
| Molecular Weight | 368.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Diethyl (4-iodobenzoyl)phosphonate (CAS 156017-40-2) is a high-purity analytical reference standard with the molecular formula C11H14IO4P and a molecular weight of 368.10 g/mol.
Structurally, Diethyl (4-iodobenzoyl)phosphonate (C11H14IO4P) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 368.10 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Diethyl (4-iodobenzoyl)phosphonate 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 | C11H14IO4P |
| Molecular Weight | 368.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | I-containing |
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Recommended Standards
- 1-(4-Iodo-2-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-5-ol (CAS 591735-23-8)
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- (S,Z)-N-((3,6-Dibromopyridin-2-yl)methylene)-2-methylpropane-2-sulfinamide (CAS 1620056-45-2)
- 3-Bromo-2-(2,6-difluoro-4-(trifluoromethyl)phenoxy)aniline (CAS 2244085-26-3)
- Cyclobutyl(2-methoxyphenyl)methanamine (CAS 1337605-33-0)
- (2e)-3-[3-(4-fluorophenyl)-1-phenyl-1h-pyrazol-4-yl]prop-2-enoic acid (CAS 519137-39-4)
- (Ethylsulfinyl)ethane (CAS 70-29-1)
- n-(P-tolyl)tetrahydrothiophen-3-amine (CAS 1021010-35-4)
- 4-(Methylamino)benzamide (CAS 38359-26-1)
- Tetrakis(4-aminophenyl)methane (CAS 60532-63-0)
- p-(2-Hydroxyethoxy)benzylidenemalononitrile (CAS 112906-84-0)
- Cefprozil Impurity 30 (CAS CATO-C4X-149230)
- DMT-dG(tac) Phosphoramidite (CAS 149989-60-6)
- Semaglutide Impurity 123 (CAS 71997-93-8)
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