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

Pregnenolone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
17-Hydroxypregnenolone 3-sulfate-d2 Stable Isotopes CS-O-58035 2477-77-2 (Unlabeled) Enquire
17α-Hydroxypregnenolone-[13C2,d2] Stable Isotopes CS-I-00472 Not Available Enquire
17α-Hydroxypregnenolone-[13C2,d2] (Solution) Stable Isotopes CS-I-00591 Not Available Enquire
20α-Dihydro Pregnenolone-d5 3-Sulfate Sodium Salt Stable Isotopes CS-T-99287 Not Available Enquire
20β-Dihydro Pregnenolone-d5 3-Sulfate Sodium Salt Stable Isotopes CS-T-99286 Not Available Enquire
Pregnanolone-[d5] (Solution) Stable Isotopes CS-I-00596 128-20-1(Unlabeled) Enquire
Pregnenolone-[20,21-13C2, 16,16-d2] (Solution) Stable Isotopes CS-I-00597 387-79-1(Unlabeled) Enquire
Pregnenolone-[20,21-13C2, 16,16-d2] sulfate sodium salt Stable Isotopes CS-I-00479 2483824-22-0 Enquire
Pregnenolone-[20,21-13C2, 16,16-d2] sulfate sodium salt (Sol... Stable Isotopes CS-I-00598 2483824-22-0 Enquire
Sodium Pregnenolone-17alpha,21,21,21-d4 Sulfate Stable Isotopes CS-T-95170 1485492-21-4 Enquire
17A-HYDROXY PREGNENOLONE 13C2,D2 Stable Isotopes CS-R-00129 387-79-1(Unlabeled) Enquire
17a-Hydroxy Pregnenolone-d3 Stable Isotopes CS-T-56383 105078-92-0 Enquire
20α-Dihydro Pregnenolone-d5 Stable Isotopes CS-T-95247 Not Available Enquire
20β-Dihydro Pregnenolone-d5 Stable Isotopes CS-T-99612 Not Available Enquire
Pregnenolone-13C2 D2 Stable Isotopes CS-CX-00615 145-13-1 (Unlabeled) Enquire
Pregnenolone-d4 Stable Isotopes CS-T-84497 61574-54-7 Enquire
Pregnenolone-d6 Stable Isotopes CS-T-95418 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Pregnenolone API CS-I-00097 145-13-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
16-Dehydro 7-keto-Pregnenolone Acetate Impurity CS-EO-01120 19324-55-1 Enquire
16-Dehydro Pregnenolone Acetate Impurity CS-T-51795 979-02-2 In Stock
16-Dehydropregnenolone acetate Impurity CS-AH-00097 979-02-2 Enquire
16α-Methylpregnenolone Impurity CS-O-51152 16394-71-1 Enquire
17-Hydroxypregnenolone 3-sulfate Impurity CS-O-58034 2477-77-2 Enquire
3β-Hydroxy-20-oxo-5β-pregn-16-ene Impurity CS-O-51154 566-59-6 Enquire
3β-Hydroxypregna-5,7-dien-20-one Impurity CS-O-49124 81968-78-7 Enquire
6-Methylpregnenolone Impurity CS-O-49123 975-53-1 Enquire
Abiraterone Pregnenolone-16-Ene Acetate 21-Triflate Impurity CS-O-56628 2484719-08-4 Enquire
Pregnenolone Isobutyrate Impurity CS-EO-00800 Not Available In Stock
Pregnenolone-3-sulfate Sodium Impurity CS-T-60751 1852-38-6 Enquire
17a-Acetoxy Pregnenolone Impurity CS-T-47052 2381-45-5 Enquire
20a-Dihydro Pregnenolone Impurity CS-T-52926 901-56-4 Enquire
20a-Dihydro Pregnenolone 3-Sulfate Sodium Salt Impurity CS-T-52927 131320-06-4 Enquire
20-ß-Dihydro Pregnenolone Impurity CS-T-52929 901-57-5 Enquire
3-epi-Pregnenolone Impurity CS-T-60749 19037-28-6 Enquire
Pregnenolone Acetate Impurity CS-T-60750 1778-02-5 Enquire
Pregnenolone-16-ene Acetate Oxime Impurity CS-T-60752 2174-13-2 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Pregnenolone Secondary Standards CS-SS-25382-100MG 145-13-1 Enquire