Skip to content
Technical & commercial enquiries: [email protected] Certificate of analysis issued per lot · Worldwide shipping

Acetylsalicylic Acid impurities and related standards

9 reference standards related to Acetylsalicylic Acid held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.

CAS numbers are listed for 9 of 9; 8 entries carry a structure drawing.

Acetylsalicylic Acid — related standards
CompoundCAS No.Catalogue No.FormulaMW
Acetylsalicylic Acid EP Impurity F 1466-82-6 RS-A118001 C18H14O7 342.07
Acetylsalicylic Acid Impurity 1 18698-59-4 RS-A118002 C11H10O5 222.19
Acetylsalicylic Acid EP Impurity D 530-75-6 RS-A118005 C16H12O6 300.06
Acetylsalicylic Acid EP Impurity E 552-94-3 RS-A118006 C14H10O5 258.23
Acetylsalicylic Acid EP Impurity B 636-46-4 RS-A118007 C8H6O5 182.02
Acetylsalicylic Acid EP Impurity C 69-72-7 RS-A118008 C7H6O3 138.03
Acetylsalicylic Acid EP Impurity A 99-96-7 RS-A118009 C7H6O3 138.12
Acetylsalicylic Acid Impurity 2 318515-20-7 RS-A118004 C12H10N2O3 230.22
Acetylsalicylic Acid Impurity 7 21725-69-9 RS-A118003 C7H5NO2 135.12

Structures

Frequently asked

How many Acetylsalicylic Acid-related reference standards do you hold?
9 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 9 of them and 8 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply an Acetylsalicylic Acid 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 Acetylsalicylic Acid 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 Acetylsalicylic Acid 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].