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

Spironolactone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6β-Hydroxy-7α-thiomethylspironolactone-d3 Stable Isotopes CS-O-56566 42219-60-3 (Unlabelled) Enquire
7-Alpha-Thiomethyl Spironolactone-d3 Stable Isotopes CS-O-03646 38753-77-4(Unlabeled) In Stock
7a-Thiomethyl Spironolactone-d7 (Major) Stable Isotopes CS-T-102348 38753-77-4 (Unlabelled) Enquire
Spironolactone-d3 Stable Isotopes CS-O-00897 52-01-7 (Unlabeled) In Stock
Spironolactone-d7 (Major) Stable Isotopes CS-O-15143 52-01-7(Unlabeled) In Stock
7a-Methylthiol spironolactone-D5 Stable Isotopes CS-BU-00105 38753-77-4(Unlabeled) Enquire
Spironolactone D6 Stable Isotopes CS-O-16429 52-01-7(Unlabeled) Enquire
Spironolactone-d4 Stable Isotopes CS-O-44757 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Spironolactone API CS-O-30758 52-01-7 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Alpha-Thiomethyl Spironolactone Metabolite CS-O-30463 38753-77-4 In Stock
7a-Thio Spironolactone Metabolite CS-T-62033 38753-76-3 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-β-Hydroxy-7-α-thiomethyl Spironolactone Impurity CS-T-56504 42219-60-3 Enquire
7a-thiomethyl-spironolactone acid Impurity CS-O-43143 Not Available Enquire
Spironolactone EP impurity A Impurity CS-O-10703 132458-33-4 Enquire
Spironolactone EP Impurity C Impurity CS-O-10705 976-70-5 In Stock
Spironolactone EP Impurity D Impurity CS-O-10706 3079028-52-4 In Stock
Spironolactone EP Impurity E Impurity CS-O-10707 33784-05-3 In Stock
Spironolactone EP Impurity H Impurity CS-O-10710 53866-24-3 In Stock
Spironolactone 17-Beta Isomer Impurity CS-EO-04101 ---- Enquire
Spironolactone acid Impurity CS-P-00256 Not Available In Stock
Spironolactone EP impurity B Impurity CS-O-10704 Not Available Enquire
Spironolactone Impurity 2 Impurity CS-P-02345 4138-96-9 Enquire
Spironolactone Lactone Ester Impurity CS-O-53850 ---- Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Spironolactone Secondary Standards CS-SS-25634-200MG 52-01-7 Enquire
Spironolactone Related Compound A Secondary Standards CS-SS-25635-150MG 976-71-6 Enquire
Spironolactone Related Compound C Secondary Standards CS-SS-25835-50MG 976-70-5 Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Spironolactone EP impurity G Therapeutic CS-O-10709 880106-10-5 In Stock
Spironolactone EP Impurity I Therapeutic CS-O-10711 3070439-36-7 Enquire