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

Drospirenone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3b,5b-Dihydroxy Drospirenone-d4 Ring-opened Alcohol Impurity Stable Isotopes CS-T-99597 Not Available Enquire
5’-Hydroxy Drospirenone-13C3 Stable Isotopes CS-T-99520 Not Available Enquire
5β-Hydroxy Drospirenone-d4 Stable Isotopes CS-T-97440 Not Available Enquire
Drospirenone-d2 Stable Isotopes CS-O-49825 67392-87-4(Unlabelled) In Stock
Drospirenone-d4 (2,2,19,19-d4) Stable Isotopes CS-O-30461 67392-87-4(Unlabeled) In Stock
Drospirenone-d4 (3',3',4',4'-d4) Stable Isotopes CS-T-95113 2376035-94-6 Enquire
Drospirenone-d4 3,5-Diol Stable Isotopes CS-T-99585 Not Available Enquire
Drospirenone 13C3 Stable Isotopes CS-O-02792 67392-87-4 (Unlabeled) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Drospirenone API CS-O-00270 67392-87-4 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4,5-Dihydro Drospirenone 3-Sulfate Triethylammonium Salt Metabolite CS-T-102301 Not Available Enquire
4,5-Dihydrodrospirenone Metabolite CS-P-00025 Not Available Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
17-Keto Drospirenone Impurity CS-P-07629 116298-21-6 Enquire
17-α-(3-Hydroxypropyl)-6-β,7-β,15-β,16-β-dimethylenandrost-4... Impurity CS-T-56423 69651-50-9 Enquire
3-Beta-5-Beta-Dihydroxy-Drospirenone Lactol Impurity CS-O-56754 ---- Enquire
3-Beta-Hydroxy-Drospirenone Lactol Impurity CS-O-56753 ---- Enquire
3-deoxo-5-Hydroxydrospirenone Impurity CS-O-44182 Not Available Enquire
5-β-Hydroxy Drospirenone Impurity CS-T-55975 197721-70-3 Enquire
6-β,7-β,15-β,16-β-Dimethylene-3-β,5... Impurity CS-T-53542 82543-16-6 Enquire
6-Methyl Drospirenone Impurity CS-EO-03049 Not Available Enquire
Drospirenone Acid Impurity CS-EO-03508 776251-13-9 Enquire
Drospirenone EP Impurity I Impurity CS-T-93307 2896199-04-3 In Stock
Drospirenone EP Impurtiy B Impurity CS-P-08197 3068810-10-3 Enquire
Drospirenone Ether Impurity Impurity CS-O-14100 90376-21-9 Enquire
Drospirenone Impurity 3 Impurity CS-T-51939 863329-69-5 Enquire
17R-Drospirenone Impurity CS-T-53994 90457-65-1 Enquire
3-β,5-β-Dihydroxy Drospirenone Ring-opened Alcohol... Impurity CS-T-53211 82543-18-8 Enquire
3-Deoxo-7b-hydroxymethyldienedrospirenone Impurity CS-O-43832 Not Available Enquire
3ß-Hydroxydrospirenone lactol Impurity CS-O-43837 Not Available Enquire
5-β-Hydroxy Drospirenone Ring-opened Alcohol Impurity Impurity CS-T-55973 1357252-81-3 Enquire
5'-Hydroxy Drospirenone Impurity CS-T-55974 863329-71-9 Enquire
7b-Acetyloxymethyldrospirenone Impurity CS-O-43861 Not Available Enquire
7b-Chloromethyl-17-ketodrospirenone Impurity CS-O-43839 Not Available Enquire
7b-Hydroxymethyldrospirenone Impurity CS-O-43831 Not Available Enquire
Drospirenone 3,5,5'-Triol Impurity CS-T-53998 1079392-41-8 Enquire
Drospirenone 5,5-Diol Impurity CS-T-53997 863329-70-8 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
7-Chloromethyl 17R-Drospirenone Intermediate CS-T-50770 932388-89-1 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
15-Methyl drospirenone Fine Chemicals CS-ED-02040 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Drospirenone Secondary Standards CS-SS-25993-500MG 67392-87-4 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Drospirenone Isomer Chiral CS-P-00411 90457-65-1 Enquire