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

Amino Acid Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
trans-4-Hydroxy-L-proline-d3 Stable Isotopes CS-T-78819 1356016-86-8 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Apixaban Amino Acid Impurity Impurities CS-EO-00222 2206825-87-6 In Stock
Apixaban Amino Acid Impurity Hydrochloride Impurities CS-EO-03324 2241139-69-3 Enquire
Gabapentin Desmethylated beta amino acid impurity Impurities CS-O-32827 1545427-14-2 Enquire
Peramivir Amino acid Impurity Impurities CS-P-01967 Not Available Enquire
Rivaroxaban Amino Acid Phthalimide Nitroso Impurity Impurities CS-EO-02987 Not Available Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Amino acid hydroxamates l-arginine hydroxamate hydrochloride Intermediates CS-ED-05878 35832-00-9 Enquire