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

Isotretinoin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Oxo-Isotretinoin D5 Stable Isotopes CS-O-49425 71748-58-8 (Unlabelled) Enquire
4-Oxo-Isotretinoin-D6 Stable Isotopes CS-O-49989 71748-58-8(Unlabelled) Enquire
Isotretinoin 13C3 Stable Isotopes CS-EK-00854 4759-48-2 unlabeled Enquire
Isotretinoin-d5 Stable Isotopes CS-O-06687 78996-15-3 In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Isotretinoin API Standards CS-O-01666 4759-48-2 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-oxo-all trans retinoic acid Metabolites CS-O-10364 38030-57-8 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
11-Cis,13-Cis-Retinoic Acid Impurities CS-O-16729 3555-80-4 Enquire
11-Cis-Retinoic Acid Impurities CS-T-41666 68070-35-9 Enquire
4-Oxo-Dimeric-Isotretinoin Impurities CS-O-59365 Not Available Enquire
5-Hydroxy-4-methyl-2(5H)-furanone Impurities CS-O-10917 40834-42-2 In Stock
9,11,13-Tricis-retinoic acid Methyl Ester Impurities CS-O-59721 68070-31-5 Enquire
9,11-DICIS-RETINOIC ACID METHYL ESTER Impurities CS-O-59720 213136-87-9 Enquire
9-cis Retinoic Acid Ethyl Ester Impurities CS-O-37314 86708-67-0 Enquire
Isotretinoin EP Impurity B Impurities CS-T-41664 5352-74-9 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Keto 13-cis-Retinoic Acid Intermediates CS-T-57023 71748-58-8 In Stock