Ilaprazole Impurity 74 CAS 1807231-85-1
| CAS No. | 1807231-85-1 |
| Molecular Formula | C8H10ClNO |
| Molecular Weight | 171.62 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ilaprazole Impurity 74 (CAS 1807231-85-1) is a certified pharmaceutical impurity reference standard with the molecular formula C8H10ClNO and a molecular weight of 171.62 g/mol.
The molecular framework of Ilaprazole Impurity 74 (C8H10ClNO) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H10ClNO |
| Molecular Weight | 171.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Ilaprazole Standards
- Ilaprazole Impurity 72 (CAS 1256807-19-8)
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Recommended Standards
- Phenacetin Impurity 3 (CAS 15793-48-3)
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- 2-Chloro-N4-ethylpyridine-3,4-diamine (CAS 1025509-12-9)
- Nicardipine Impurity N13 (CAS 27058-15-7)
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- Efavirenz Impurity 19 (CAS 173676-60-3)
- 3-Bromo-4-(4-(2-methoxyphenyl)piperazin-1-yl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 871340-88-4)
- 6-methoxyquinolin-7-amine (CAS 861038-27-9)
- 6-bromo-3,3-dimethyl-2,3-dihydro-1H-indole hydrochloride (CAS 1803611-39-3)
- (2-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridin-4-yl)methanamine (CAS 1804898-39-2)
- [(4-isopropyl-4H-1,2,4-triazol-3-yl)thio]acetic acid (CAS 923232-99-9)
- 5-Bromo-3-isopropylpyrazin-2-ol (CAS 98546-57-7)
- (Leu31,Pro3?)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 125580-28-1)
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