Darifenacin

Darifenacin 2,3-Dehydro Bromo Impurity Darifenacin 2,3-Dehydro Bromo Impurity :

5-(2-Bromoethyl)benzofuran ; C10H9BrO ; MW: 225.08 ;
Darifenacin 3-Hydroxy Impurity Darifenacin 3-Hydroxy Impurity :

3-Hydroxy Darifenacin ; 2-{1-[2-(2,3-Dihydro-3-hydroxy-5-benzofuranyl)ethyl]-pyrrolidin-3(S)-yl}-2,2-diphenyl-acetamide ; CAS : 206048-82-0 ;  C28H30N2O3 ; MW: 442.55
Darifenacin 4-Hydroxy Impurity Darifenacin 4-Hydroxy Impurity:

(S)-2-(1-(3-(2-Bromoethyl)-4-hydroxyphenethyl)pyrrolidin-3-yl)-2,2-diphenylacetamide hydrobromide ; C28H32Br2N2O2 ; MW: 588.37 ;
Darifenacin 5-Bromoethyl Impurity Darifenacin 5-Bromoethyl Impurity:

5-Bromoethyl-2,3-Dihydrobenzofuran ; 5-(2-Bromoethyl)-2,3-dihydrobenzofuran ; CAS : 127264-14-6 ; C10H11BrO ; MW: 227.10 ;
Darifenacin 5-Carboxymethyl Impurity Darifenacin 5-Carboxymethyl Impurity:

5-Carboxymethyl-2,3-Dihydrobenzofuran ; 2,3-Dihydro-5-benzofuranacetic acid ; CAS : 69999-16-2 ; C10H10O3 ; MW: 178.18 ;
Darifenacin 7-Bromo Analog Darifenacin 7-Bromo Analog:

(S)-2-(1-(2-(7-Bromo-2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-2,2-diphenylacetamide ; C28H30Br2N2O2 ; MW: 586.36 ;
Darifenacin 7-Bromoethyl Impurity Darifenacin 7-Bromoethyl Impurity:

7-(2-Bromoethyl)-2,3-dihydrobenzofuran ; C10H11BrO ; MW: 227.1 ;
Darifenacin Carboxylic Acid Impurity Darifenacin Carboxylic Acid Impurity :

(S)-2-(1-(2-(2,3-Dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-2,2-diphenylacetic acid hydrobromide ; C28H30BrNO3 ; MW: 508.45 ;
Darifenacin Cyano Pyrrolidine Impurity Darifenacin Cyano Pyrrolidine Impurity:

(S)-3-(Cyanodiphenylmethyl)-pyrrolidine HBr ; CAS : 194602-27-2 (HBr Salt) ; 133099-11-3 (base) ;

C18H19BrN2 ; Mol. Wt.: 343.26 ;
Darifenacin Cyano t-BOC Impurity Darifenacin Cyano t-BOC Impurity:

3-(Cyanodiphenylmethyl)-1-pyrrolidinecarboxylic acid t-butyl ester ; CAS : 1159977-31-7 ;

C23H26N2O2 ; MW: 362.46 ;
Darifenacin DBE Isomer Darifenacin DBE Isomer :

(S)-2-(3-Pyrrolidinyl)-2,2-diphenyl-N-[2-(2,3-dihydrobenzfuran-5-yl)ethyl] acetamide ; C28H30N2O2 ; MW: 426.55 ;
Darifenacin Dehydro Impurity Darifenacin Dehydro Impurity:

(S)-2-[1-[2-(Benzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenylacetamide HBr ; CAS : 943034-52-4 ; C28H29BrN2O2 ; MW: 505.45 ;
Darifenacin Dimer-1 Impurity Darifenacin Dimer-1 Impurity :

(S)-2-(3-Pyrrolidinyl)-2,2-diphenyl-N,N-bis[2-(2,3-dihydrobenzfuran-5-yl)ethyl]acetamide ;

C38H40N2O3 ; MW: 572.74 ;
Darifenacin Dimer-2 Impurity Darifenacin Dimer-2 Impurity :

Darifenacin Impurity D ; (S)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenyl-N-[2-(2,3-dihydrobenzfuran-5-yl)ethyl]acetamide HCl ;

C38H40N2O3 (base) ; MW: 572.74 ;

C38H41ClN2O3 (HCl salt) ; MW: 609.20 ;
Darifenacin HBr Darifenacin HBr:

(S)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenylacetamide HBr ; CAS : 133099-07-7 ; C28H31BrN2O2 ; MW: 507.46 ;
Darifenacin N-Oxide Impurity Darifenacin N-Oxide Impurity :

(S)-2-[ 1-[2-(2,3-Dihydrobenzofuran-5-yl)ethyl]-1 -oxidopyrrolidin-3-yl]-2,2-diphenyl acetamide ; CAS : 1391080-40-2 ; C28H30N2O3 ; MW: 442.55 ;
Darifenacin Nitrile Impurity Darifenacin Nitrile Impurity :

Darifenacin Impurity C ; (3S)-1-[2-(2,3-Dihydro-5-benzofuranyl)ethyl]-α,α-diphenyl-3-pyrrolidine acetonitrile HCl ; CAS : 252317-48-9 (base) ;  C28H28N2O (base) ; MW: 408.53 ; C28H29ClN2O (HCl salt) ; MW: 445.00 ;
Darifenacin Pyrrolidin Carboxylic Acid Impurity Darifenacin Pyrrolidin Carboxylic Acid Impurity:

(S)-2,2-Diphenyl-2-(pyrrolidin-3-yl)acetic acid ; C18H19NO2 ; MW: 281.35 ;
Darifenacin Pyrrolidine Impurity (S)-Isomer Darifenacin Pyrrolidine Impurity (S)-Isomer:

(S)-2-(3-Pyrrolidinyl)-2,2-diphenylacetamide L-tartrate ; CAS : 134002-26-9 ;

C22H26N2O7 ; MW: 430.45 ;
Darifenacin Pyrrolidine Impurity Racemate Darifenacin Pyrrolidine Impurity Racemate :

2-(3-Pyrrolidinyl)-2,2-diphenylacetamide ;CAS : 103887-32-7 ; C18H20N2O ; MW: 280.36 ;
Darifenacin Pyrrolidinium Dimer Impurity Darifenacin Pyrrolidinium Dimer Impurity :

(3S)-3-(2-Amino-2-oxo-1,1-diphenylethyl)-1,1-bis[2-(2,3-dihydro-5-benzofuranyl)ethyl]pyrrolidinium Bromide ; CAS : 1396968-57-2 ; C38H41BrN2O3 ; MW: 653.65 ;
Darifenacin R-Isomer Darifenacin R-Isomer :

(R)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenylacetamide HBr ;

C28H31BrN2O2 ; MW: 507.46 ;
Darifenacin Vinyl Impurity Darifenacin Vinyl Impurity :

5-Vinylbenzofuran ; C10H8O ; MW: 144.17 ;