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

Cyproterone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyproterone Acetate - 13C2 D3 Stable Isotopes CS-T-63099 427-51-0(Unlabelled) Enquire
Cyproterone Acetate-13C2,d3 (Major) Stable Isotopes CS-T-94854 427-51-0 (unlabled) Enquire
Cyproterone Acetate-d3 Stable Isotopes CS-O-06519 2376035-90-2 Enquire
Cyproterone Acetate-d3 (Major) Stable Isotopes CS-T-94855 427-51-0 (unlabled) Enquire
Cyproterone Acetate-d7 Stable Isotopes CS-T-103876 427-51-0(unlabelled) Enquire
Cyproterone-13C2,d8 Stable Isotopes CS-T-99648 427-51-0(Unlabelled) Enquire
Cyproterone-d4 Stable Isotopes CS-T-95943 Not Available Enquire
Cyproterone-d5 Stable Isotopes CS-P-07501 2098-66-0(Unlabelled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyproterone Acetate API CS-O-01143 427-51-0 In Stock
Delmadinone Acetate API CS-T-15051 13698-49-2 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Deschloro Cyproterone Acetate Impurity CS-T-52067 2701-50-0 In Stock
Cyproterone Acetate EP Impurity C Impurity CS-T-50812 17183-98-1 In Stock
Cyproterone Acetate Impurity 4 Impurity CS-EO-02077 2271091-83-7 In Stock
Cyproterone Acetate Impurity F Impurity CS-T-51524 2098-66-0 In Stock
15ß-Hydroxy Cyproterone Impurity CS-T-79524 68791-71-9 Enquire
17-Acetyloxy-pregna-1,4-diene-3,20-dione Impurity CS-T-01088 2668-74-8 Enquire
3-alpha-Hydroxy-cyproterone acetate Impurity CS-ED-00261 167356-55-0 Enquire
6-Deschloro-4-chloro Cyproterone Acetate Impurity CS-T-73591 23814-68-8 Enquire
6-Deschloro-6,7-epoxy Cyproterone Acetate Impurity CS-T-73921 15423-97-9 Enquire
Cyproterone Acetate EP Impurity B Impurity CS-P-03967 Not Available Enquire
Cyproterone Acetate ep Impurity D Impurity CS-EO-01324 Not Available Enquire
Cyproterone Acetate EP Impurity E Impurity CS-T-56994 17184-05-3 Enquire
Cyproterone Acetate EP Impurity G Impurity CS-T-50740 23814-84-8 Enquire
Cyproterone Chloro hydroxy impurity Impurity CS-O-42078 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyproterone acetate Secondary Standards CS-SS-25562-50MG 427-51-0 Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyproterone Acetate D3-AR Grade Analytical Standard CS-O-06519-10MG 2376035-90-2 Enquire
Cyproterone Acetate D3-AR Grade-10 ppm/ACN Analytical Standard CS-O-06519-1ML 2376035-90-2 Enquire