API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Citalopram

EP Impurity B

1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydro-3-hydroxyisobenzofuran-5-carbonitrile Citalopram_EP Impurity B
Citalopram

Citalopram Related compound A

1-(3-(dimethylamino)propyl)-1-(4'-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide Citalopram Related compound A
Citalopram

Citalopram Related compound D

1-(4'-fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzofuran-5-carbonitrile Citalopram-Related-compound-D
Citalopram

Citalopram Related compound E

1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile-N-oxide hydrochloride Citalopram-Related-compound-E
Citalopram

5-Dimethylaminobutyryl citalopram

1-(3-Dimethylaminopropyl)-1-(4'-fluorophenyl)-5-(4-dimethylaminobutyryl)-1,3dihydro-isobenzofuran 5-Dimethylaminobutyryl-citalopram
Citalopram

EP Impurity C

1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydro-3-oxoisobenzofuran-5-carbonitrile Citalopram_EP-Impurity-C
Citalopram Impurity E

Citalopram Impurity E

3-(5-chloro-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-1-yl)-N,N-dimethylpropan-1-amine hydrobromide s3
Citalopram Impurity D

Citalopram Impurity D

dd
Citalopram Impurity B

Citalopram Impurity B

1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-hydroxy-1,3-dihydroisobenzofuran-5-carbonitrile s5
Citalopram Impurity D

Citalopram Impurity D

1-(4-fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzofuran-5-carbonitrile hydrochloride cital1