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CI 972 impurities and related standards

4 reference standards related to CI 972 held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.

In this group: 3 impurity reference standards · 1 general reference standard. 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

  • CI 972

    CAS 115787-68-3C11H12ClN5OS

    MW 297.05

    IN STOCKRS-Z400ISN
  • CI 972 Impurity 1

    CAS 163217-79-6C11H9N6OS+·Cl-

    MW 308.74

    IN STOCKRS-C673001
  • CI 972 Impurity 2

    CAS 115812-51-6C11H11N5OS

    MW 261.3

    CUSTOM SYNTHESISRS-C673002
  • CI 972 Impurity 5

    CAS 132138-76-2C11H10N4OS

    MW 246.29

    IN STOCKRS-C673003

4 reference standards

Frequently asked

How many CI 972-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 CI 972 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 CI 972 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 CI 972 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.