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Birabresib impurities and related standards

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

In this group: 3 impurity reference standards · 1 fine chemical. CAS numbers are listed for 4 of 4; 4 entries carry a structure drawing.

On this page

4 reference standards

All entries — structure, identifiers and pack sizes

  • Birabresib

    CAS 202590-98-5C25H22ClN5O2S

    MW 491.99

    CUSTOM SYNTHESISRS-U043737
  • Birabresib Impurity 1

    CAS 202592-27-6C22H21ClN4O4S

    MW 472.94

    BACK ORDERRS-B388001
  • Birabresib Impurity 2

    CAS 1983196-25-3C25H22ClN5O2S

    MW 491.99

    BACK ORDERRS-B388002
  • Birabresib Impurity 5

    CAS 2086299-38-7C19H18N4O2S

    MW 366.44

    CUSTOM SYNTHESISRS-B388003

4 reference standards

Frequently asked

How many Birabresib-related reference standards do you hold?
4 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 4 of them and 4 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Birabresib 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 Birabresib 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 Birabresib 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.