Category
Fulvestrant
CAS Number
Fulvestrant STD - 129453-61-8 : IMP - A - 407577-53-1 : IMP - B - 98008-06-1 : IMP - C - 2482852-42-4 : IMP - D - 2483797-59-5 : IMP - F - 2858589-78-1 ;
Molecular Formula
Fulvestrant STD - C32H47F5O3S : IMP - A - C32H47F5O3S : IMP - B - C32H47F5O4S : IMP - C - C41H65F5O4S2 : IMP - D - C45H64O4 : IMP - F - C32H45F5O4S ;
Molecular Weight
Fulvestrant STD - 606.79 g/mol : IMP - A - 606.77 g/mol : IMP - B - 622.8 g/mol : IMP - C - 781.07 g/mol : IMP - D - 668.99 g/mol : IMP - F - 620.8 g/mol ;
Synonym

Fulvestrant - 7alpha-[9-[(RS)-4,4,5,5,5-Pentafluoropentane-1-sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17beta-diol ;

Fulvestrant EP Impurity - A- 7β-[9-[(RS)-4,4,5,5,5-pentafluoropentane-1-sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17β-diol ; (7beta,17beta)-7-[9-[(4,4,5,5,5-Pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17-diol; 7β-Fulvestrant ;

Fulvestrant EP Impurity - B - 7α-[9-(4,4,5,5,5-pentafluoropentane-1-sulfonyl)nonyl]estra-1,3,5(10)-triene-3,17β-diol ; (7beta,17beta)-7-[9-[(4,4,5,5,5-Pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17-diol; (7alpha,17beta)-7-[9-[(4,4,5,5,5-Pentafluoropentyl)sulfonyl]nonyl]estra-1,3,5(10)-triene-3,17-diol;

Fulvestrant EP Impurity - C - 7alpha,7'alpha-nonane-1,9-diyldi(estra-1,3,5(10)-triene-3,17beta-diol) ; 7,7'-Nonane-1,9-diylbis[estra-1,3,5(10)-triene-3,17beta-diol] ;

Fulvestrant EP Impurity - D - 7alpha,7'alpha-nonane-1,9-diyldi(estra-1,3,5(10)-triene-3,17beta-diol) ; 7,7'-Nonane-1,9-diylbis[estra-1,3,5(10)-triene-3,17beta-diol] ;

Fulvestrant EP Impurity - F - (7S,8R,9S,13S,14S,17S)-3,17-Dihydroxy-13-methyl-7-(9-((4,4,5,5,5-pentafluoropentyl)sulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-6-one ; 6-Keto-fulvestrant; 7α-{9-[(4,4,5,5,5,-Pentafluoropentyl)sulfinyl]nonyl}estra-1,3,5(10)-triene-6-one-3,17β-diol (USP); 3,17β-dihydroxy-7ξ-[9-[(Ξ)-4,4,5,5,5-pentafluoropentane1-sulfinyl]nonyl]estra-1,3,5(10)-trien-6-one ; 6-keto-fulvestrant ;

Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Fulvestrant is used as a system suitability Chemical Reference Standard (CRS) to verify the proper performance of analytical methods in pharmaceutical quality control. It ensures accuracy, precision, and reproducibility in techniques like HPLC for routine drug analysis.