Risedronate

Risedronate EP Impurity A Risedronate Impurity A:

[(3RS,6RSand3R,6S-Meso)-2,5-Dihydroxy-2,5-dioxo-3,6-bis[(pyridin-3-yl)methyl]-1,4,2λ5,5λ5-dioxadiphosphinane-3,6-diyl]bis(phosphonic acid) ;C14H18N2O12P4 ; Mol. Wt.: 530.19 ;
Risedronate EP Impurity B Risedronate Impurity B:

[1-Hydroxy-2-(pyridin-2-yl)ethylidene]bis(phosphonic acid) ;

CAS : 105462-23-5 ; C7H11NO7P2 ; Mol. Wt.: 283.11 ;
Risedronate EP Impurity C Risedronate Impurity C:

[1-Hydroxy-2-(pyridin-4-yl)ethylidene]bis(phosphonic acid) ; CAS : 105462-25-7 ; C7H11NO7P2 ; Mol. Wt.: 283.11 ;
Risedronate EP Impurity D Risedronate Impurity D:

 2-(Pyridin-3-yl)acetic acid ; CAS : 501-81-5 ; C7H7NO2 ; Mol. Wt.: 137.14 ;
Risedronate EP Impurity E Risedronate Impurity E:

[2-(Pyridin-3-yl)ethylidene]bis(phosphonic acid) ; [2-(3-Pyridinyl)ethylidene-1,1]bis(phosphonic acid) ; CAS : 75755-10-1 ; C7H11NO6P2 ; Mol. Wt.: 267.11 ;