Ibuprofen EP Impurity I CAS 2143535-26-4
| CAS No. | 2143535-26-4 |
| Molecular Formula | C24H34 |
| Molecular Weight | 322.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ibuprofen EP Impurity I is closely related to a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Ibuprofen EP Impurity I (CAS 2143535-26-4), a pharmacopoeial impurity reference standard (molecular formula C24H34, MW 322.53 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a polycyclic aromatic system, Ibuprofen EP Impurity I is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 322.53 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 supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Ibuprofen EP Impurity I under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C24H34 |
| Molecular Weight | 322.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
Related Ibuprofen Standards
- Ibuprofen Impurity 2 (CAS 859828-49-2)
- Ibuprofen Impurity 106 (CAS CATO-C4X-1082106)
- Ibuprofen Impurity 107 (CAS CATO-C4X-1082107)
- Ibuprofen Impurity 108 (CAS CATO-C4X-1082108)
- Ibuprofen Impurity 112 (CAS CATO-C4X-1082112)
- Ibuprofen Impurity 59 (CAS 89878-72-8)
- Ibuprofen Impurity 60 (CAS 89878-75-1)
- Ibuprofen Impurity 93 (CAS CATO-C4X-108293)
Recommended Standards
- O-Ethyl O-(3,5,6-trichloropyridin-2-yl) O-hydrogen phosphorothioate (CAS 66651-96-5)
- Cis-11,14-Eicosadienoic Acid Methyl Ester (CAS 2463-02-7)
- Isopropyl linoleate (CAS 22882-95-7)
- cis-11,14-Eicosadienoic Acid Methyl Ester (CAS 61012-46-2)
- Silodosin impurity N1 (CAS 1338365-54-0)
- Telmisartan Impurity 85 (CAS CATO-C4X-135985)
- Methylnaltrexone Bromide Impurity 7 (CAS CATO-C4X-15217)
- 0107AD 1185028-29-8 4-(4-Methoxy-3,5-dimethylphenyl)piperidine hydrochloride C14H22ClNO (CAS 1185028-29-8)
- 5-Methyl-3-(piperazin-1-yl)-5H-benzo[b]pyridazino[4,3-e][1,4]oxazine (CAS 34352-60-8)
- 6-Bromo-2-(3-hydroxyphenyl)quinoline-4-carboxylic acid (CAS 313241-30-4)
- N-(4-Methyl-3-(2-oxopiperidin-1-yl)phenyl)thiophene-2-carboxamide (CAS 941979-38-0)
- Methyl 3-Iodothiophene-2-carboxylate (CAS 62353-77-9)
- 4-Bromo-N-((5-chlorothiophen-2-yl)methyl)-1h-pyrrole-2-carboxamide (CAS 1197493-15-4)
- Delta-Sleep Inducing Peptide (CAS 62568-57-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com