Ibuprofen impurities and related standards
22 reference standards related to Ibuprofen held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
In this group: 19 impurity reference standards · 2 stable isotope labelled standards · 1 fine chemical. CAS numbers are listed for 22 of 22; 20 entries carry a structure drawing.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| Ibuprofen Impurity 104 | 2517611-89-9 | RS-I022008 | C26H32O4 | 408.54 |
| Ibuprofen Impurity 103 | 95093-58-6 | RS-I022022 | C16H24O3 | 264.37 |
| Ibuprofen Impurity 1 | 1261450-16-1 | RS-I022005 | C13H17ClO | 224.73 |
| Ibuprofen EP Impurity G | 1391054-15-1 | RS-I022007 | C26H32O4 | 408.53 |
| Ibuprofen Impurity 5 (2-(4-n-Propylphenyl)propanoic Acid) | 3585-47-5 | RS-I022009 | C12H16O2 | 192.26 |
| Ibuprofen EP Impurity P | 36039-36-8 | RS-I022010 | C13H20O | 192.3 |
| Ibuprofen Impurity 11 | 38861-88-0 | RS-I022011 | C11H14O2 | 178.23 |
| Ibuprofen Impurity 3 (1-(4-Isobutylphenyl)Ethanol) | 40150-92-3 | RS-I022012 | C12H18O | 178.28 |
| Ibuprofen EP Impurity K | 43153-07-7 | RS-I022013 | C10H10O3 | 178.19 |
| Ibuprofen Impurity 8 | 51407-46-6 | RS-I022015 | C13H18O | 190.29 |
| Ibuprofen EP Impurity L | 53949-53-4 | RS-I022016 | C13H18O3 | 222.28 |
| Ibuprofen EP Impurity J | 65813-55-0 | RS-I022017 | C13H16O3 | 220.27 |
| Ibuprofen Impurity 28 | 67381-50-4 | RS-I022018 | C10H10O4 | 194.19 |
| Ibuprofen Related Compound 1 (2-(4-(2-Methylpropenyl)phenyl)propionic Acid) | 75625-99-9 | RS-I022019 | C13H16O2 | 204.27 |
| Ibuprofen Impurity 19 | 80336-66-9 | RS-I022020 | C13H17ClO | 224.73 |
| Ibuprofen Impurity 31 | 89878-75-1 | RS-I022021 | C18H27ClO2 | 310.86 |
| (R)-Ibuprofen-d3 | 121702-86-1 | RS-I022003 | C13H15D3O2 | 209.3 |
| 1,2 Dihydroxy Ibuprofen | 1253593-61-1 | RS-I022004 | C13H18O4 | 238.28 |
| (S)-Ibuprofen-d3 | 1329643-44-8 | RS-I022006 | C13H15O2D3 | 209.31 |
| (R)-Ibuprofen | 51146-57-7 | RS-I022014 | C13H18O2 | 206.28 |
| Ibuprofen EP Impurity R | 102120-87-6 | RS-I022001 | C22H30 | 294.47 |
| Ibuprofen Impurity 24 | 103931-20-0 | RS-I022002 | C12H14O2 | 190.24 |
Structures
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Ibuprofen Impurity 104
COA per lot -
Ibuprofen Impurity 103
COA per lot -
Ibuprofen Impurity 1
COA per lot -
Ibuprofen EP Impurity G
COA per lot -
Ibuprofen EP Impurity P
COA per lot -
Ibuprofen Impurity 11
COA per lot
Frequently asked
How many Ibuprofen-related reference standards do you hold?
22 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 22 of them and 20 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply an Ibuprofen impurity that is not listed here?
Yes. Non-compendial impurities can be quoted from a structure — a CAS number is not required. Send the structure, a SMILES string or the parent drug substance with your enquiry and we will come back with availability.
What documentation is supplied with Ibuprofen impurities?
Every lot ships with its own certificate of analysis. The certificate records the catalogue number, the batch number, the tests performed, the specification applied and the result obtained for that lot. A safety data sheet is supplied with the shipment.
Do you publish prices or a lead time for Ibuprofen impurities?
No price list is published: quotations are prepared per enquiry, because availability and packing depend on the lot and the quantity you need. Send the catalogue number and the quantity and a technical contact will answer with availability and a quotation.
Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].