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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
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
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
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
Pregnenolone-13C2 D2 Stable Isotopes CS-CX-00615 145-13-1 (Unlabeled) Enquire
Pregnenolone-d4 Stable Isotopes CS-T-84497 61574-54-7 Enquire
Sodium Pregnenolone-17alpha,21,21,21-d4 Sulfate Stable Isotopes CS-T-95170 1485492-21-4 Enquire


API Standards

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


Impurities

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


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"17,21-Dihydroxypregnenolone" Intermediates CS-T-90576 1167-48-2 Enquire
17-Hydroxy Pregnenolone Intermediates CS-T-56382 387-79-1 Enquire
21-Hydroxypregnenolone Intermediates CS-T-56399 1164-98-3 Enquire
7,8-Dehydro Pregnenolone Intermediates CS-T-51794 1158830-87-5 Enquire
7a-Hydroxy Pregnenolone Intermediates CS-T-56331 30626-96-1 Enquire
7-Bromo-3-O-acetyl Pregnenolone Intermediates CS-T-49608 114417-65-1 Enquire
Allopregnenolone Intermediates CS-T-47527 566-61-0 Enquire
Pregnenolone Carbonitrile Intermediates CS-T-84729 1434-54-4 Enquire
Tetrahydroxypregnenolone Intermediates CS-T-61903 1050-84-6 Enquire