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Mefloquine impurities and related standards

Mefloquine is held here as a working collection of 23 reference materials across 11 CAS numbers. Within the range, the lettered series reaches C; numbered impurities go up to 11. and 2 EP-designated impurities are named explicitly 13 of the entries are impurity-type materials of the parent, 3 are salt or counter-ion variants and 3 carry a deuterium label and 1 are nitrosamine analogues. 11 entries carry a verified structure drawing, a coverage of 48%; the rest are listed without a structure rather than with an unverified one. 11 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. Because these are degradation and process impurities of a single parent, the useful comparison between suppliers is not the headline count but which letters are actually covered and whether each one arrives with a structure and a stated content basis. Where the impurity is a chiral species, the enantiomeric ratio belongs on the specification alongside the chemical purity, because an achiral method reports the two together as one peak.

Sources: DailyMed (US NLM) - MEFLOQUINE HYDROCHLORIDE TABLET [TEVA PHARMACEUTICALS USA, INC.].

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

In this group: 7 impurity reference standards · 2 general reference standards · 2 stable isotope labelled standards · 1 fine chemical. CAS numbers are listed for 12 of 12; 12 entries carry a structure drawing.

On this page

12 reference standards

All entries — structure, identifiers and pack sizes

12 reference standards

Frequently asked

How many Mefloquine-related reference standards do you hold?
12 standards are listed on this page as of the latest catalogue build. CAS numbers are published for 12 of them and 12 entries carry a structure drawing. The catalogue is extended as new lots are released.
Can you supply a Mefloquine 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 Mefloquine 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 Mefloquine 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.