Ilaprazole Impurity 1 CAS 172152-37-3
| CAS No. | 172152-37-3 |
| Molecular Formula | C19H18N4O3S |
| Molecular Weight | 382.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ilaprazole Impurity 1.
As a process- or degradation-related impurity, Ilaprazole Impurity 1 (CAS 172152-37-3, C19H18N4O3S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C19H18N4O3S, Ilaprazole Impurity 1 contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 382.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), Ilaprazole Impurity 1 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 | C19H18N4O3S |
| Molecular Weight | 382.44 g/mol |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Ilaprazole Standards
- Ilaprazole Impurity 164 (CAS CATO-C4X-1130164)
- Ilaprazole Impurity 5 (CAS 2285346-44-1)
- Ilaprazole Impurity 57 Iodized Salt (CAS 1508282-92-5)
- Ilaprazole Impurity 91 (CAS CATO-C4X-113091)
- Ilaprazole Impurity 221 (CAS CATO-C4X-1130221)
- Ilaprazole Impurity 109 (CAS CATO-C4X-1130109)
- Ilaprazole Impurity 235 (CAS CATO-C4X-1130235)
- Ilaprazole Impurity 45 (CAS CATO-C4X-113045)
Recommended Standards
- N-(4-Acetamidophenyl)-2-((4-amino-5-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 585554-02-5)
- N-(4-(Thiazolo[5,4-b]pyridin-2-yl)phenyl)quinoline-2-carboxamide (CAS 863588-75-4)
- N-(3,5-Dimethoxyphenyl)-2-((6-(pyridin-2-yl)pyridazin-3-yl)thio)acetamide (CAS 892439-53-1)
- Methyl 4-(((3-(3-ethoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoate (CAS 733031-47-5)
- Bortezomib Impurity 31 (CAS 1608986-16-8)
- Loperamide Impurity 8 HCl (CAS CATO-C4X-17888)
- Fesoterodine Impurity 9 (CAS CATO-C4X-16449)
- Methyl 6-methyl-2-(thiophene-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 329923-64-0)
- 2-(But-3-en-2-yl)aniline (CAS 4828-94-8)
- 2-(4-Bromophenyl)-1,3,4-oxadiazole (CAS 41420-90-0)
- 2-(5-(4-Fluorophenyl)-2H-tetrazol-2-yl)acetic acid (CAS 436091-81-5)
- 3-(1-Isopropylpyrrolidin-2-yl)-5-methylpyridine (CAS 1352513-98-4)
- tert-Butyl 7-(phenylmethoxycarbonylamino)-2-azaspiro[3.3]heptane-2-carboxylate (CAS 1251021-00-7)
- Fragment-[7-31]-Liraglutide (CAS CATO-C4X-199239)
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