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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Estetrol, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Estetrol 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 Estetrol-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.

Estetrol Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Estetrol Monohydrate D3 Stable Isotopes CS-O-35460 Not Available Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(8R,9S,13S,17R)-3,15,17-trihydroxy-13-methyl-7,8,11,12,13,17... Impurities CS-O-50612 Not Available Enquire
17α-Estetrol Impurities CS-O-52074 Not Available Enquire
3-((tert-butyldimethylsilyl)oxy)Estetrol Impurities CS-O-52073 1426679-39-1 Enquire
9,11-Dehydro Estetrol Impurities CS-O-49265 Not Available Enquire
ESTETROL IMPURITY 284 Impurities CS-O-47877 Not Available Enquire
Estetrol sulfate Impurities CS-O-52075 33965-34-3 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"15,16-Deshydroxy 3-O-Benzyl Estetrol 17-Acetate" Intermediates CS-T-52159 690996-25-9 Enquire
3-O-Benzyl Estetrol 17-Acetate Intermediates CS-T-48881 690996-24-8 Enquire
Estetrol Intermediates CS-T-54194 15183-37-6 Enquire
Estetrol 17-Acetate Intermediates CS-T-54195 690996-23-7 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Estetrol 16-glucuronide Glucuronides CS-O-58590 Not Available Enquire
Estetrol 3-glucuronide Glucuronides CS-O-52076 38324-81-1 Enquire