Ibuprofen Impurities

Find here the secondary pharmaceutical standard of the native API Ibuprofen traceable to USP, PhEur and BP.

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PHR1934   (2RS)-2- (4-BUTYLPHENYL)PROPANOIC ACID SODIUM SALT (Ibuprofen Impurity B) Pharmaceutical Secondary Standard; Certified Reference Materialur Ibuprofen Impurity B Sodium Salt
90025 α,4-Dimethylphenylacetic acid pharmaceutical impurity standard (2RS)-2-(4-Methylphenyl)propionic acid 2-(4-Methylphenyl)propanoic acid p-Methylhydratropic acid Ibuprofen impurity D (PhEur)
62248 2-[4-(1-Hydroxy-2-methylpropyl)phenyl]propanoic acid pharmaceutical impurity standard 1-Hydroxyibuprofen 2-[4-(1-Hydroxy-2-methylpropyl)phenyl]propionic acid Ibuprofen impurity L (PhEur)
I-036   Ibuprofen Impurity Mixture solution 25 μg/mL in acetonitrile (each component), certified reference material, ampule of 1 mL New  
I-037 Ibuprofen Impurity B (PhEur) solution 100 μg/mL in acetonitrile: water (9:1) (as free acid), certified reference material, ampule of 1 mL New  
PHR1146   4-ISOBUTYLACETOPHENONE(Ibuprofen Related Compound C)(Ibuprofen Impurity E) Pharmaceutical Secondary Standard; Certified Reference Material 1-(4-Isobutylphenyl)ethanone 1-Acetyl-4-isobutylbenzene 4′-Isobutylacetophenone
79763 (2RS)-2-(4-Isobutylphenyl)propionamide pharmaceutical impurity standard α-Methyl-4-(2-methylpropyl)benzeneacetamide (±)-Ibuprofen amide (2RS)-2-[4-(2-Methylpropyl)phenyl]propanamide Ibuprofen impurity C (PhEur)
PHR1978 (2-(4-Isobutyrylphenyl)propanoic acid)(Ibuprofen Related Compound J)(Ibuprofen Impurity J) Pharmaceutical Secondary Standard; Certified Reference Material α-Methyl-4-(2-methyl-1-oxopropyl)benzeneacetic acid (2RS)-2-(4-Isobutyrylphenyl)propionic acid (2RS)-2-[4-(2-Methylpropanoyl)phenyl]propanoic acid 1-Oxoibuprofen
90994 (2RS)-2-(4-Isobutyrylphenyl)propionic acid pharmaceutical impurity standard α-Methyl-4-(2-methyl-1-oxopropyl)benzeneacetic acid (2RS)-2-[4-(2-Methylpropanoyl)phenyl]propanoic acid 1-Oxoibuprofen Ibuprofen impurity J (PhEur)
61849 2-[4-(2-Methylpropyl)phenyl]ethanol pharmaceutical impurity standard 4-(2-Methylpropyl)benzeneethanol 4-Isobutylphenylethanol Ibuprofen impurity Q (PhEur) NSC 69112
PHR1933   (2RS)-2- [3-(2-METHYLPROPYL)PHENYL] PROPANOIC ACID (Ibuprofen Impurity A) Pharmaceutical Secondary Standard; Certified Reference Material  
PHR1964   3-[4-(2-METHYLPROPYL)PHENYL] PROPANOIC ACID(Ibuprofen Impurity F) Pharmaceutical Secondary Standard; Certified Reference Material 3-(4-Isobutylphenyl)propionic acid
62728 (2RS)-2-[4-(2-Methylpropyl)phenyl]propan-1-ol pharmaceutical impurity standard β-Methyl-4-(2-methylpropyl)benzeneethanol 2-(4-Isobutylphenyl)propanol 2-(4-Isobutylphenyl)propyl alcohol Ibuprofen alcohol Ibuprofen impurity P (PhEur)