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Ibuprofen impurity 3 Ibuprofen impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1261642-35-6. Molecular Formula: C13H17ClO. Mole Weight: 224.73. Catalog: APB1261642356. Alfa Chemistry Analytical Products
Ibuprofen impurity 5 Ibuprofen impurity 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 6448-14-2. Molecular Formula: C13H16O2. Mole Weight: 204.26. Catalog: APB6448142. Alfa Chemistry Analytical Products 2
Ibuprofen Impurity 58 Ibuprofen Impurity 58. Uses: For analytical and research use. Group: Impurity standards. CAS No. 80336-66-9. Molecular Formula: C13H17ClO. Mole Weight: 224.73. Catalog: APB80336669. Alfa Chemistry Analytical Products 3
Ibuprofen Impurity 61 Ibuprofen Impurity 61. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1263078-21-2. Molecular Formula: C13H18O2. Mole Weight: 206.29. Catalog: APB1263078212. Alfa Chemistry Analytical Products
Ibuprofen Impurity 65 Ibuprofen Impurity 65. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13401-56-4. Molecular Formula: C5H11ClO. Mole Weight: 122.59. Catalog: APB13401564. Alfa Chemistry Analytical Products
Ibuprofen Impurity 66 Ibuprofen Impurity 66. Uses: For analytical and research use. Group: Impurity standards. CAS No. 67381-50-4. Molecular Formula: C10H10O4. Mole Weight: 194.19. Catalog: APB67381504. Alfa Chemistry Analytical Products 3
Ibuprofen Impurity 67 Ibuprofen Impurity 67. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1314907-71-5. Molecular Formula: C12H16O2. Mole Weight: 192.26. Catalog: APB1314907715. Alfa Chemistry Analytical Products 2
Ibuprofen Impurity 70 Ibuprofen Impurity 70. Uses: For analytical and research use. Group: Impurity standards. CAS No. 103931-20-0. Molecular Formula: C12H14O2. Mole Weight: 190.24. Catalog: APB103931200. Alfa Chemistry Analytical Products
Ibuprofen Impurity 71 Ibuprofen Impurity 71. Uses: For analytical and research use. Group: Impurity standards. CAS No. 3585-47-5. Molecular Formula: C12H16O2. Mole Weight: 192.26. Catalog: APB3585475. Alfa Chemistry Analytical Products 2
Ibuprofen Impurity 72 Ibuprofen Impurity 72. Uses: For analytical and research use. Group: Impurity standards. CAS No. 75625-99-9. Molecular Formula: C13H16O2. Mole Weight: 204.27. Catalog: APB75625999. Alfa Chemistry Analytical Products 3
Ibuprofen Impurity A Cas No. 66622-47-7. BOC Sciences 8
Ibuprofen Impurity B Cas No. 3585-49-7. BOC Sciences
Ibuprofen Impurity B Sodium Salt Grades: > 95%. Molecular formula: C13H17O2Na. Mole weight: 228.27. BOC Sciences 6
Ibuprofen Impurity C Cas No. 59512-17-3. BOC Sciences 6
Ibuprofen Impurity E Cas No. 38861-78-8. BOC Sciences 6
Ibuprofen Impurity F Cas No. 65322-85-2. BOC Sciences 6
Ibuprofen Impurity H BOC Sciences 6
Ibuprofen Impurity I BOC Sciences 6
Ibuprofen Impurity J Cas No. 65813-55-0. BOC Sciences
Ibuprofen Impurity K Cas No. 43153-07-7. BOC Sciences 8
Ibuprofen Impurity L Cas No. 53949-53-4. BOC Sciences 8
Ibuprofen Impurity L Ibuprofen Impurity L. Group: Biochemicals. Grades: Highly Purified. CAS No. 53949-53-4. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C13H18O3. US Biological Life Sciences. USBiological 7
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Ibuprofen Impurity M Cas No. 60057-62-7. BOC Sciences 6
Ibuprofen Impurity N Cas No. 3585-52-2. BOC Sciences 6
Ibuprofen Impurity N Ibuprofen Impurity N. Group: Biochemicals. Grades: Highly Purified. CAS No. 3585-52-2. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences. USBiological 7
Worldwide
Ibuprofen Impurity O Cas No. 64451-76-9. BOC Sciences 6
Ibuprofen Impurity P Cas No. 36039-36-8. BOC Sciences 6
Ibuprofen Impurity Q Cas No. 36039-35-7. BOC Sciences 6
Ibuprofen Impurity R Cas No. 102120-87-6. BOC Sciences 6
1-Hydroxy Ibuprofen (Ibuprofen Impurity L (Mixture of Diastereomers) Degradation product of Ibuprofen. Ibuprofen impurity L. Group: Biochemicals. Alternative Names: 4-(1-Hydroxy-2-methylpropyl)-α-methylbenzeneacetic Acid; 2-[4'- (1-Hydroxy-2-methylpropyl) phenyl]propionic Acid; Ibuprofen Impurity L. Grades: Highly Purified. CAS No. 53949-53-4. Pack Sizes: 5mg. US Biological Life Sciences. USBiological 2
Worldwide
cis-Ibuprofen Impurity G cis-Ibuprofen Impurity G is an impurity of cis-Ibuprofen, an analgesic, anti-inflammatory and antipyretic nonsteroidal drug (NSAID). Grades: > 95%. Molecular formula: C26H32O4. Mole weight: 408.54. BOC Sciences 6
Ibuprofen Amide Impurity Grades: > 95%. Molecular formula: C22H29NO2. Mole weight: 339.48. BOC Sciences 6
Ibuprofen EP Impurity A Ibuprofen EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 66622-47-7. Molecular Formula: C13H18O2. Mole Weight: 206.29. Catalog: APB66622477. Alfa Chemistry Analytical Products 3
Ibuprofen EP Impurity B Ibuprofen EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 3585-49-7. Molecular Formula: C13H18O2. Mole Weight: 206.29. Catalog: APB3585497. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity C Ibuprofen EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. CAS No. 59512-17-3. Molecular Formula: C13H19NO. Mole Weight: 205.3. Catalog: APB59512173. Alfa Chemistry Analytical Products 3
Ibuprofen EP Impurity D Ibuprofen EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. CAS No. 938-94-3. Molecular Formula: C10H12O2. Mole Weight: 164.2. Catalog: APB938943. Alfa Chemistry Analytical Products 3
Ibuprofen EP Impurity E Ibuprofen EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 38861-78-8. Molecular Formula: C12H16O. Mole Weight: 176.26. Catalog: APB38861788. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity F Ibuprofen EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 65322-85-2. Molecular Formula: C13H18O2. Mole Weight: 206.29. Catalog: APB65322852. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity G Ibuprofen EP Impurity G. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1391054-15-1. Molecular Formula: C26H32O4. Mole Weight: 408.54. Catalog: APB1391054151. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity H Ibuprofen EP Impurity H. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2143535-25-3. Molecular Formula: C24H32O. Mole Weight: 336.52. Catalog: APB2143535253. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity I Ibuprofen EP Impurity I. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2143535-26-4. Molecular Formula: C24H34. Mole Weight: 322.53. Catalog: APB2143535264. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity J Ibuprofen EP Impurity J. Uses: For analytical and research use. Group: Impurity standards. CAS No. 65813-55-0. Molecular Formula: C13H16O3. Mole Weight: 220.27. Catalog: APB65813550. Alfa Chemistry Analytical Products 3
Ibuprofen EP Impurity L Ibuprofen EP Impurity L. Uses: For analytical and research use. Group: Impurity standards. CAS No. 53949-53-4. Molecular Formula: C13H18O3. Mole Weight: 222.28. Catalog: APB53949534. Alfa Chemistry Analytical Products 3
Ibuprofen EP Impurity M Ibuprofen EP Impurity M. Uses: For analytical and research use. Group: Impurity standards. CAS No. 60057-62-7. Molecular Formula: C13H18O3. Mole Weight: 222.28. Catalog: APB60057627. Alfa Chemistry Analytical Products 3
Ibuprofen EP Impurity N Ibuprofen EP Impurity N. Uses: For analytical and research use. Group: Impurity standards. CAS No. 3585-52-2. Molecular Formula: C11H14O2. Mole Weight: 178.23. Catalog: APB3585522. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity O Ibuprofen EP Impurity O. Uses: For analytical and research use. Group: Impurity standards. CAS No. 64451-76-9. Molecular Formula: C13H18O2. Mole Weight: 206.29. Catalog: APB64451769. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity P Ibuprofen EP Impurity P. Uses: For analytical and research use. Group: Impurity standards. CAS No. 36039-36-8. Molecular Formula: C13H20O. Mole Weight: 192.3. Catalog: APB36039368. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity Q Ibuprofen EP Impurity Q. Uses: For analytical and research use. Group: Impurity standards. CAS No. 36039-35-7. Molecular Formula: C12H18O. Mole Weight: 178.28. Catalog: APB36039357. Alfa Chemistry Analytical Products 2
Ibuprofen EP Impurity R Ibuprofen EP Impurity R. Uses: For analytical and research use. Group: Impurity standards. CAS No. 102120-87-6. Molecular Formula: C22H30. Mole Weight: 294.48. Catalog: APB102120876. Alfa Chemistry Analytical Products
Ibuprofen Ester Impurity Grades: > 95%. Molecular formula: C22H29NO2. Mole weight: 339.48. BOC Sciences 6
Ibuprofen Ester Impurity (PEG400) Ibuprofen Ester Impurity (PEG400) is an impurity of ibuprofen. Synonyms: Tetraethyleneglycol Bisibuprofen Ester; α-Methyl-4-(2-methylpropyl)-benzeneacetic Acid 1,1'-[Oxybis(2,1-ethanediyloxy-2,1-ethanediyl)] Ester. Grades: > 95%. CAS No. 1161014-75-0. Molecular formula: C34H50O7. Mole weight: 570.77. BOC Sciences 6
rac 2-(4-formylphenyl)propionic acid(ibuprofen impurity K) rac 2-(4-formylphenyl)propionic acid(ibuprofen impurity K). Group: Biochemicals. Alternative Names: 4-Formyl-a-methylbenzeneacetic acid; 2-(p-Formylphenyl)propionic acid; Ibuprofen impurity K. Grades: Highly Purified. CAS No. 43153-07-7. Pack Sizes: 500mg, 1g. Molecular Formula: C10H10O3. US Biological Life Sciences. USBiological 8
Worldwide
rac 2-(4-Formylphenyl)propionic Acid (Ibuprofen Impurity K) Degradation product of Ibuprofen arising from oxidative and thermal treatments. Ibuprofen impurity K. Group: Biochemicals. Alternative Names: 4-Formyl-α-methylbenzeneacetic Acid; 2-(p-Formylphenyl)propionic Acid;Ibuprofen Impurity K. Grades: Highly Purified. CAS No. 43153-07-7. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 2
Worldwide
rac-Ibuprofen Impurity G Cas No. 1391054-15-1. BOC Sciences 6
trans-Ibuprofen Impurity G Synonyms: Ibuprofen Dimer; 1391054-15-1; trans-Ibuprofen IMpurity G; 7-Isobutyl-1-(4-isobutylphenyl)-1,2,3,4-tetrahydronaphthalene-1,4-dicarboxylic acid; 6-(2-methylpropyl)-4-[4-(2-methylpropyl)phenyl]-2,3-dihydro-1H-naphthalene-1,4-dicarboxylic acid; starbld0003822; GXFQAIUKHDCTMF-UHFFFAOYSA-N. Grades: > 95%. Molecular formula: C26H32O4. Mole weight: 408.54. BOC Sciences 6
1,1-Bis-(4-isobutylphenyl)ethane Heterocyclic Organic Compound. Alternative Names: 1,1-BIS-(4-ISOBUTYLPHENYL)ETHANE;IBUPROFEN IMPURITY R. CAS No. 102120-87-6. Molecular formula: C22H30. Mole weight: 294.47. Catalog: ACM102120876. Alfa Chemistry. 3
1,1-Bis(p-isobutylphenyl)ethane 1,1-Bis(p-isobutylphenyl)ethane (Ibuprofen EP Impurity R) is an impurity in the synthesis of Ibuprofen (I140000); a selective cyclooxygenase inhibitor (IC50=14.9uM) that inhibits PGH synthase-1 and PGH synthase-2 with comparable potency. Group: Biochemicals. Grades: Highly Purified. CAS No. 102120-87-6. Pack Sizes: 100mg, 1g. Molecular Formula: C22H30. US Biological Life Sciences. USBiological 9
Worldwide
1-(2-Methylpropyl)-4-[(3RS)-3-[4(-2-methylpropyl)-phenyl]butyl]benzene 1-(2-Methylpropyl)-4-[(3RS)-3-[4(-2-methylpropyl)-phenyl]butyl]benzene is an impurity in the synthesis of Ibuprofen (I140000); a selective cyclooxygenase inhibitor (IC50=14.9uM) that inhibits PGH synthase-1 and PGH synthase-2 with comparable potency. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 100mg. Molecular Formula: C24H34, Molecular Weight: 322.529999999999. US Biological Life Sciences. USBiological 9
Worldwide
1-(4-Acetylphenyl)-2-methyl-1-propanone A potential impurity in Ibuprofen. Group: Biochemicals. Grades: Highly Purified. CAS No. 103931-20-0. Pack Sizes: 25mg. US Biological Life Sciences. USBiological 1
Worldwide
1-(4-sec-Butylphenyl)ethanone 1-(4-sec-Butylphenyl)ethanone is a useful synthetic intermediate in the synthesis of 2-(p-sec-Butylphenyl)propionic Acid (B692720); an impurity of Ibuprofen (I140000) which is a selective cyclooxygenase inhibitor (IC50=14.9uM) that inhibits PGH synthase-1 and PGH synthase-2 with comparable potency. Group: Biochemicals. Grades: Highly Purified. CAS No. 7645-81-0. Pack Sizes: 1g, 10g. Molecular Formula: C12H16O, Molecular Weight: 176.25. US Biological Life Sciences. USBiological 9
Worldwide
1-Oxo Ibuprofen 1-Oxo Ibuprofen, is a degradation product of Ibuprofen arising from oxidative and thermal treatments. 1-Oxo Ibuprofen is the Ibuprofen impurity J. Group: Biochemicals. Alternative Names: α -Methyl-4- (2-methyl-1-oxopropyl) benzeneacetic Acid; 2- (4-Isobutyrylphenyl) propionic acid; (2RS) -2-[4- (2-Methylpropanoyl) phenyl] propanoic acid; a-Methyl-4- (2-methyl-1-oxopropyl) benzeneacetic acid; Impurity J. Grades: Highly Purified. CAS No. 65813-55-0. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 2
Worldwide
1-Oxo Ibuprofen 1-Oxo Ibuprofen. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ibuprofen USP Related Compound J, Ibuprofen USP RC J, Ibuprofen Imp. J (EP),(2RS)-2-[4-(2-Methyl-propanoyl)phenyl]propanoic Acid. CAS No. 65813-55-0. IUPAC Name: 2-[4-(2-methylpropanoyl)phenyl]propanoic acid. Molecular Formula: C13H16O3. Mole Weight: 220.26. Catalog: APS65813550. SMILES: CC(C)C(=O)c1ccc(cc1)C(C)C(=O)O. Format: Neat. Alfa Chemistry Analytical Products
2-(4-Dimethylvinylphenyl)propionic acid 2-(4-Dimethylvinylphenyl)propionic acid is an impurity of Ibuprofen, a nonsteroidal anti-inflammatory drug. Synonyms: 2-[4-(2-Methyl-propenyl)phenyl]propionic Acid; 2-(4-dimethylvinylphenyl)propionic acid; GX-258; α-Methyl-4-(2-methyl-1-propenyl)benzeneacetic acid. Grades: > 95%. CAS No. 75625-99-9. Molecular formula: C13H16O2. Mole weight: 204.27. BOC Sciences 8
2- (4-Isobutylphenyl) propanal 2- (4-Isobutylphenyl) propanal is an impurity of the drug Ibuprofen (I140000), a selective cyclooxygenase inhibitor that also inhibits PGH synthase-1 and PGH synthase-2 with comparable potency. Group: Biochemicals. Grades: Highly Purified. CAS No. 51407-46-6. Pack Sizes: 10mg, 25mg. Molecular Formula: C13H18O, Molecular Weight: 190.28. US Biological Life Sciences. USBiological 9
Worldwide
2-(4-Propylphenyl)propanoic acid 2-(4-Propylphenyl)propanoic acid is an impurity of Ibuprofen, a nonsteroidal anti-inflammatory drug. Synonyms: α-Methyl-4-propylphenylacetic Acid; p-Propylhydratropic Acid. Grades: > 95%. CAS No. 3585-47-5. Molecular formula: C12H16O2. Mole weight: 192.26. BOC Sciences 8
2-(p-sec-Butylphenyl)propionic Acid 2-(p-sec-Butylphenyl)propionic Acid (Ibuprofen EP Impurity O) is an impurity of Ibuprofen (I140000); a selective cyclooxygenase inhibitor (IC50=14.9uM) that inhibits PGH synthase-1 and PGH synthase-2 with comparable potency. Group: Biochemicals. Grades: Highly Purified. CAS No. 64451-76-9. Pack Sizes: 250mg, 2.5g. Molecular Formula: C13H18O2, Molecular Weight: 206.28. US Biological Life Sciences. USBiological 9
Worldwide
2-(p-sec-Butylphenyl)propionic Acid 2-(p-sec-Butylphenyl)propionic Acid. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ibuprofen Imp. O (EP),2-[4-(1-Methylpropyl)-phenyl]propanoic Acid. CAS No. 64451-76-9. Pack Sizes: 10MG. IUPAC Name: 2-(4-butan-2-ylphenyl)propanoic acid. Molecular Formula: C13H18O2. Mole Weight: 206.28. Catalog: APS64451769. SMILES: CCC(C)c1ccc(cc1)C(C)C(=O)O. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products
2-(p-sec-Butylphenyl)propionic Acid-d3 2-(p-sec-Butylphenyl)propionic Acid-d3 is the isotope labelled analog of 2-(p-sec-Butylphenyl)propionic Acid (B692720); an impurity of Ibuprofen (I140000) which is a selective cyclooxygenase inhibitor (IC50=14.9uM) that inhibits PGH synthase-1 and PGH synthase-2 with comparable potency. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 50mg. Molecular Formula: C13H15D3O2, Molecular Weight: 209.3. US Biological Life Sciences. USBiological 9
Worldwide
(2RS)-2-[3-(2-Methylpropyl)phenyl] propanoic acid (2RS)-2-[3-(2-Methylpropyl)phenyl] propanoic acid. Group: Biochemicals. Alternative Names: Impurity A; m-Isobutyl Ibuprofen; 2- (3-Isobutylphenyl) propanoic acid. Grades: Highly Purified. CAS No. 66622-47-7. Pack Sizes: 25mg, 50mg, 100mg, 250mg, 500mg. Molecular Formula: C13H18O2. US Biological Life Sciences. USBiological 7
Worldwide
(2RS)-2-(4-Butylphenyl)propionic acid (2RS)-2-(4-Butylphenyl)propionic acid. Group: Biochemicals. Alternative Names: Impurity B; p-Butyl Ibuprofen; 4-Butyl-a-methylbenzeneacetic acid. Grades: Highly Purified. CAS No. 3585-49-7. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C13H18O2. US Biological Life Sciences. USBiological 6
Worldwide

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