Ioxaglic acid impurity A CRS CAS 22871-58-5
| CAS No. | 22871-58-5 |
| Molecular Formula | C10H9I3N2O4 |
| Molecular Weight | 601.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ioxaglic acid impurity A CRS (C10H9I3N2O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Ioxaglic acid impurity A CRS (CAS 22871-58-5), molecular formula C10H9I3N2O4 and molecular weight 601.90 g/mol, is a CATO reference standard with documented purity and traceability.
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), Ioxaglic acid impurity A CRS 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 | C10H9I3N2O4 |
| Molecular Weight | 601.90 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
Related Ioxaglic Standards
Recommended Standards
- N-[9-[(6aR,8R,9R,9aS)-9-hydroxy-2,2,4,4-tetraisopropyl-6a,8,9,9a-tetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl]-6-oxo-3H-purin-2-yl]-2-methyl-propanamide (CAS 87865-78-9)
- Orlistat impurity 33 (CAS CATO-C4X-149933)
- [S(R)]-N-[(S)-[2-(Diadamantanphosphino)phenyl]phenylmethyl]-N,2-dimethyl-2-propanesulfinamide (CAS 2413724-69-1)
- Iohexol Impurity 52 (CAS CATO-C4X-166452)
- (1-aminocyclopentyl)methanol;hydrochloride (CAS 402752-91-4)
- 3-[2-(4-Methyl-2-nitrophenoxy)ethyl]piperidinehydrochloride (CAS 1220032-27-8)
- Tert-butyl (3-fluoropropyl)carbamate (CAS 178181-51-6)
- 1-(6-Methoxy-4-methylquinolin-2-yl)-3-methyl-1H-pyrazol-5-ol (CAS 111784-25-9)
- Piperidin-3-yl 3-methylbutanoate hydrochloride 1220037-93-3 (CAS 1220037-93-3)
- 2-Chloro-1-(4-iodobutoxy)-4-methoxybenzene (CAS 73523-71-4)
- 5-bromo-2-methoxy-6-methylpyridine-3-carboxylic acid (CAS 1369354-33-5)
- 2-(2-Bromothiazol-5-yl)acetonitrile (CAS 1246554-99-3)
- 3-Amino-4-ethylphenol (CAS 408352-55-6)
- (Cys2)-Neuropeptide Y-8-aminooctanoyl-(D-Cys27)-Neuropeptide Y (25-32) (H-3298.0500) (CAS 128806-04-2)
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