Skip to content
Technical & commercial enquiries: sales@rssechem.com Certificate of analysis issued per lot · Worldwide shipping
Register Request a quote & Contact us

NMS 873 impurities and related standards

2 reference standards related to NMS 873 held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.

In this group: 1 general reference standard · 1 impurity reference standard. CAS numbers are listed for 2 of 2; 2 entries carry a structure drawing.

On this page

2 reference standards

All entries — structure, identifiers and pack sizes

  • NMS 873

    CAS 1418013-75-8C27H28N4O3S2

    MW 520.16

    BACK ORDERRS-Z398SPI
  • NMS 873 Impurity 19

    CAS 1418013-76-9C28H28N4O2S

    BACK ORDERRS-N326001

2 reference standards

Frequently asked

How many NMS 873-related reference standards do you hold?
2 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 2 of them and 2 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a NMS 873 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 NMS 873 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 NMS 873 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.