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Ambrisentan impurities and related standards

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

CAS numbers are listed for 4 of 4; 4 entries carry a structure drawing.

Ambrisentan — related standards
CompoundCAS No.Catalogue No.FormulaMW
Ambrisentan Impurity 2 1639429-81-4 RS-A064002 C20H18N2O 302.37
Ambrisentan Impurity 4 178306-47-3 RS-A064003 C17H18O4 286.32
Ambrisentan Impurity 5 178306-51-9 RS-A064004 C16H16O4 272.3
(S)-4-Hydroxymethyl Ambrisentan 1106685-66-8 RS-A064001 C22H22N2O5 394.42

Structures

Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to [email protected].