Ibuprofen EP Impurity B CAS 3585-49-7
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 3585-49-7 |
| Molecular Formula | C13H18O2 |
| Molecular Weight | 206.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ibuprofen EP Impurity B (CAS 3585-49-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H18O2. Molecular weight: 206.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H18O2 |
| Molecular Weight | 206.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >90% |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Ibuprofen Standards
- (S)-Ibuprofen EP Impurity B (CAS 404354-76-3)
- Ibuprofen (CAS 15687-27-1)
- Ibuprofen EP Impurity A (CAS 66622-47-7)
- Ibuprofen Impurity 145 (CAS 69363-33-3)
- Ibuprofen EP Impurity A (CAS CATO-C4X-1082147)
- Ibuprofen EP Impurity O (CAS 64451-76-9)
- Ibuprofen Impurity 151 (CAS CATO-C4X-1082151)
- Ibuprofen Impurity 54 (CAS 158264-26-7)
Recommended Standards
- Ibuprofen EP Impurity F (CAS 65322-85-2)
- Ibuprofen Impurity 78 (CAS 51146-56-6)
- Ibuprofen Impurity 79 (CAS 51146-57-7)
- Difelikefalin Impurity 34 (CAS CATO-C4X-304134)
- Mirabegron Impurity 139 (CAS 1330277-46-7)
- N-(adamantan-1-yl)-6-chloropyrimidin-4-amine (CAS 1242240-99-8)
- (4-Aminophenyl)(2-methylmorpholino)methanone (CAS 926257-59-2)
- N-((5-(Hydroxy(thiophen-3-yl)methyl)thiophen-2-yl)methyl)thiophene-2-sulfonamide (CAS 1798024-24-4)
- n-(Cyclopropylmethyl)-2-fluoro-5-methylaniline (CAS 1154386-16-9)
- RGD-targeted Proapoptotic Peptide trifluoroacetate salt (CAS 2243207-09-0)
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 13829788188 / jacky.chen@cato-chem.com