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BAY 4931 impurities and related standards

38 reference standards related to BAY 4931 held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.

In this group: 29 impurity reference standards · 9 general reference standards. CAS numbers are listed for 38 of 38; 38 entries carry a structure drawing.

On this page

38 reference standards

All entries — structure, identifiers and pack sizes

38 reference standards

Frequently asked

How many BAY 4931-related reference standards do you hold?
38 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 38 of them and 38 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a BAY 4931 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 BAY 4931 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 BAY 4931 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 sales@rssechem.com.