1-(2-(4-Nitrophenyl)-2-oxoethyl)pyridin-1-ium iodide CAS 5330-73-4
| CAS No. | 5330-73-4 |
| Molecular Formula | C13H11N2O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-(4-Nitrophenyl)-2-oxoethyl)pyridin-1-ium iodide (CAS 5330-73-4), molecular formula C13H11N2O3I and molecular weight 370.14 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution, 1-(2-(4-Nitrophenyl)-2-oxoethyl)pyridin-1-ium iodide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 370.14 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).
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), 1-(2-(4-Nitrophenyl)-2-oxoethyl)pyridin-1-ium iodide 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 | C13H11N2O3 I |
| Molecular Weight | 370.14 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Nitrophenyl Standards
- 2-(4-Nitrophenyl)Ethanol (CAS 100-27-6)
- 4- Nitrophenyl Isocyanate(1-Isocyanato-4-nitrobenzene) (CAS 100-28-7)
- (4-Methyl-2-nitrophenyl)hydrazine hydrochloride (CAS 100032-76-6)
- Methyl 4-(4-nitrophenyl)-3-oxobutanoate (CAS 1000571-72-1)
- 5-(3-Nitrophenyl)-2-(2,4,6-trichlorophenyl)-1H-1,2,4-triazol-3(2H)-one (CAS 1000575-65-4)
- 5-(4-Nitrophenyl)-2-(2,4,6-trichlorophenyl)-1H-1,2,4-triazol-3(2H)-one (CAS 1000575-74-5)
- 4-((4-Nitrophenyl)imino)pentan-2-one (CAS 100060-84-2)
- 2-O-(4-Nitrophenyl)-α-D-N-glycolylneuraminic acid (CAS 1000890-36-7)
Recommended Standards
- 3-(4-Methoxy-3-(trifluoromethyl)phenyl)propanoic acid (CAS 1005205-20-8)
- 2-[(Diallylamino)methyl]-4-fluoroaniline (CAS 1220039-27-9)
- Indium(III) isopropoxide solution (CAS 38218-24-5)
- 3-(3,4-Dimethylphenyl)-1,1,1-trifluoropropan-2-ol (CAS 1341117-43-8)
- Benzyl ((1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-2-yl)methyl)(methyl)carbamate (CAS 1354029-35-8)
- Flufenacet ESA Sodium Salt (CAS 947601-87-8)
- 2-Ethoxy-2,3-dihydrobenzo[d]oxazole (CAS 503564-44-1)
- Methyl 7-amino-2-benzylbenzo[d]oxazole-5-carboxylate (CAS 890092-28-1)
- 2-methyl-5-(methylsulfonyl)pyrimidin-4(3H)-one (CAS 17551-48-3)
- Acetyl Hexapeptide-38 (CAS 1400634-44-7)
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