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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Ospemifene, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Ospemifene impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Ospemifene-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Ospemifene Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4’-hydroxy Ospemifene (M2)-d4 Stable Isotopes CS-O-58793 341525-22-2(Unlabeled) Enquire
4’-hydroxy Ospemifene (M2)-d5 Stable Isotopes CS-O-58826 Not Available Enquire
Ospemifene 13C2D4 Stable Isotopes CS-O-14273 1261432-12-5 Enquire
Ospemifene D5 Stable Isotopes CS-O-50078 128607-22-7 (Unlabelled) Enquire
Ospemifene-d4 Stable Isotopes CS-O-14272 128607-22-7(Unlabeled) In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ospemifene API Standards CS-T-38124 128607-22-7 In Stock
Vinyl Ospemifene API Standards CS-P-06840 Not Available Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Hydroxy Ospemifene (M1) (Mixture of Isomers) Metabolites CS-O-15182 128585-01-3 In Stock
4’-Hydroxy Ospemifene M2 Metabolites CS-O-15183 341525-22-2 In Stock
Ospemifene M10 Metabolites CS-O-15189 129524-40-9 Enquire
Ospemifene M4 Metabolites CS-O-15185 341525-15-3 Enquire
Rac-4-Hydroxy Ospemifene (M1) Metabolites CS-O-16333 1958046-78-0 Enquire
Rac-4-Hydroxy Ospemifene (M2) Metabolites CS-O-16334 341525-46-0 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ospemifene Impurity 1 Impurities CS-O-15179 Not Available Enquire
Ospemifene Impurity 1 (Fispemifene) Impurities CS-P-02381 341524-89-8 Enquire
Ospemifene Impurity 2 Impurities CS-O-15180 Not Available Enquire
Ospemifene Impurity 3 Impurities CS-O-15181 756488-22-9 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Ospemifene Glucuronide Glucuronides CS-O-15188 Not Available Enquire