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Zaleplon impurities and related standards

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

In this group: 7 impurity reference standards · 2 pharmaceutical intermediates. CAS numbers are listed for 9 of 9; 9 entries carry a structure drawing.

On this page

9 reference standards

All entries — structure, identifiers and pack sizes

  • 5-Oxo-Zaleplon

    CAS 159225-99-7RS-Z018003

    Formula C17H15N5O2 MW 321.33

    COA per lot
  • Desethyl Zaleplon

    CAS 115931-01-6RS-Z018001

    Formula C15H11N5O MW 277.29

    COA per lot
  • Zaleplon Formamide

    CAS 1227694-78-1RS-Z018005

    Formula C16H13N5O MW 291.31

    COA per lot
  • Zaleplon Impurity 1

    CAS 478081-98-0RS-Z018006

    Formula C17H15N5O MW 305.34

    COA per lot
  • Zaleplon Impurity 2

    CAS 96605-66-2RS-Z018009

    Formula C15H20N2O2 MW 260.34

    COA per lot
  • Zaleplon Impurity 5

    CAS 940951-59-7RS-Z018004

    Formula C15H13N5 MW 263.3

    COA per lot
  • Zaleplon Impurity 6

    CAS 940951-61-1RS-Z018008

    Formula C30H28N6O3 MW 520.59

    COA per lot
  • Zaleplon Impurity 9

    CAS 940951-54-2RS-Z018007

    Formula C17H17N5O2 MW 323.36

    COA per lot
  • Zaleplon Impurity 10

    CAS 115932-13-3RS-Z018002

    Formula C16H13N5O MW 291.31

    COA per lot

9 reference standards

Frequently asked

How many Zaleplon-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 9 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Zaleplon 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 Zaleplon 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 Zaleplon 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.