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

Kynurenine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
DL-Kynurenine-d7 (2,3,3-d3; ring-d4) Stable Isotopes CS-C-01442 343-65-7 (Unlabelled) Enquire
L-Kynurenine-13C4,15N Stable Isotopes CS-T-103992 2922-83-0(unlabelled) Enquire
L-Kynurenine-d4 Trifluoroacetic Acid Salt Stable Isotopes CS-T-101192 Not Available Enquire
rac Kynurenine-13C2,15N Stable Isotopes CS-T-101194 1391051-69-6 Enquire
rac Kynurenine-d4 Trifluoroacetic Acid Salt (Major) Stable Isotopes CS-T-101193 Not Available Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fmoc-Kynurenine Impurity CS-O-44553 831210-89-0 Enquire
N-boc-Fmoc-Kynurenine Impurity CS-O-44554 2589858-91-1 Enquire
N-formylkynurenine Impurity CS-T-55036 1022-31-7 Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-Hydroxykynurenine-O-beta-glucoside Glucuronide CS-T-56109 23224-46-6 Enquire


Peptide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
25-Kynurenine Glucagon Peptide CS-O-53231 ---- Enquire
Semaglutide impurity N-formylkynurenine Peptide CS-SN-00182 Not Available Enquire