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Azaperone impurities and related standards

Azaperone is held here as a working collection of 15 reference materials across 3 CAS numbers. Within the range, the lettered series reaches C; numbered impurities go up to 5. and 3 EP-designated impurities are named explicitly 11 of the entries are impurity-type materials of the parent, 1 carry a deuterium label. 3 entries carry a verified structure drawing, a coverage of 20%; the rest are listed without a structure rather than with an unverified one. 3 of them sit in tier A or B, meaning the data behind the page is complete enough to be indexed and quoted directly, while 12 remain tier C and are kept for search coverage. The practical difficulty with a series of this size is not obtaining any one impurity but demonstrating that the set is complete. A validation package normally needs the specified impurities plus the unspecified ones above the reporting threshold, and the second group is where a catalogue either holds the material or does not. Co-elution with the parent is the trap in a series this closely related, so the useful certificate data are the retention time under a named method and the relative retention, not a purity figure alone.

Sources: DailyMed (US NLM) - AZAPERONE POWDER [DARMERICA, LLC].

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

In this group: 2 fine chemicals · 1 stable isotope labelled standard. CAS numbers are listed for 3 of 3; 3 entries carry a structure drawing.

On this page

3 reference standards

All entries — structure, identifiers and pack sizes

  • Azaperone

    CAS 1649-18-9C19H22FN3O

    MW 327.4

    IN STOCKRS-U104031

  • Azaperone tartrate

    CAS 1204130-47-1C19H22FN3O

    CUSTOM SYNTHESISRS-U104066

  • Azaperone-D4

    CAS 1173021-72-1C19H22FN3O

    MW 331.4

    IN STOCKRS-I100028

3 reference standards

Frequently asked

How many Azaperone-related reference standards do you hold?
3 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 3 of them and 3 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply an Azaperone 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 Azaperone 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 Azaperone 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.