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.
| Compound | CAS No. | Catalogue No. | Formula | MW |
|---|---|---|---|---|
| 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
-
Ambrisentan Impurity 2
COA per lot -
Ambrisentan Impurity 4
COA per lot -
Ambrisentan Impurity 5
COA per lot -
(S)-4-Hydroxymethyl Ambrisentan
COA per lot
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].



