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Melarsomine impurities and related standards

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

In this group: 1 fine chemical · 1 api 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

  • Melarsomine

    CAS 128470-15-5RS-M430001

    Formula C13H21AsN8S2 MW 428.4

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  • Melarsomine dihydrochloride

    CAS 89141-50-4RS-A012347

    Formula C13H21AsN8S2.HCl.HCl MW 501.35

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2 reference standards

Frequently asked

How many Melarsomine-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 Melarsomine 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 Melarsomine 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 Melarsomine 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.