tamoxifen and its Impurities
A selective estrogen-receptor modulator (SERM), Tamoxifen is used in the treatment of breast cancer and uterine cancer.Reference standards of Tamoxifen API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


N-Desmethyl-4-hydroxy Tamoxifen-d5 Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester (E/Z Mixture)
N-Desmethyl-4-hydroxy Tamoxifen-d5 Tri-O-acetyl-β-D-glucuronic Acid Methyl Ester (E/Z Mixture)
Catalogue No.:PA STI 028730
CAS :
NA
Molecular Formula : C38H38D5NO11
Molecular Weight : 694.78


1,1,1-Trifluoromethanesulfonic Acid (E)-4-[1-[4-[2-(Dimethylamino)ethoxy]phenyl]-2-phenyl-1-buten-1-yl]phenyl Ester
1,1,1-Trifluoromethanesulfonic Acid (E)-4-[1-[4-[2-(Dimethylamino)ethoxy]phenyl]-2-phenyl-1-buten-1-yl]phenyl Ester
Catalogue No.:PA 20 03520
CAS :
1370699-80-1
Molecular Formula : C27H28F3NO4S
Molecular Weight : 519.58

![(E)-1-[4-[2-(N,N-Dimethylamino)ethoxy]phenyl]-1-[4 PA 20 0031003](https://www.pharmaffiliates.com/pimages/PA200031003.jpg)
(E)-1-[4-[2-(N,N-Dimethylamino)ethoxy]phenyl]-1-[4-(trimethylacetoxy)phenyl]-2-phenylbut-1-ene
(E)-1-[4-[2-(N,N-Dimethylamino)ethoxy]phenyl]-1-[4-(trimethylacetoxy)phenyl]-2-phenylbut-1-ene
Catalogue No.:PA 20 0031003
CAS :
177748-19-5
Molecular Formula : C31H37NO3
Molecular Weight : 471.64