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

Folinic Acid Related Compounds

API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Folic Acid API CS-O-11653 59-30-3 In Stock
Folinic acid calcium hydrate API CS-DV-03589 2060570-47-8 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(6R)-Folinic Acid Impurity CS-T-75424 73951-54-9 Enquire
4a-Hydroxy-5-methyltetrahydrofolate Impurity CS-T-93491 33157-07-2 Enquire
5-Methyl Tetrahedropteroic Acid Impurity CS-T-34993 4349-41-1 Enquire
Folinic Acid EP Impurity E Impurity CS-T-24765 4349-43-3 Enquire
Folinic Acid Impurity B Impurity CS-P-07900 98814-60-9 In Stock
Folinic Acid Impurity B Acetate salt Impurity CS-O-38713 98814-60-9 (Freebase) In Stock
Folinic Acid Impurity F Impurity CS-P-07902 28459-40-7 In Stock
Folinic Acid Impurity G Impurity CS-O-43350 6810-75-9 Enquire
Folinic Acid Impurity 5 (4-Aminobenzoyl D-Glutamic Acid) Impurity CS-P-07904 5959-18-2 Enquire
Folinic Acid Impurity E Impurity CS-P-07901 944737-05-7 Enquire
Folinic Acid Impurity H (Levofolinic Acid) Impurity CS-P-07903 68538-85-2 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Levofolinic Acid Nitroso Impurity 1 Nitrosamine CS-EO-03157 Not Available Enquire
N,N-diNitroso Folinic acid (Leucovorin) Nitrosamine CS-O-49297 Not Available Enquire
N,N-DiNitroso Folinic acid (Leucovorin) calcium Salt Nitrosamine CS-O-48669 ---- Enquire
N,N-DiNitroso Folinic acid calcium salt-2 (Leucovorin) Nitrosamine CS-O-56835 ---- Enquire
N8-Nitroso Folinic acid (Leucovorin) Nitrosamine CS-O-49296 ---- Enquire
N8-Nitroso Folinic acid (Leucovorin) calcium Salt Nitrosamine CS-O-48668 Not Available Enquire
N-Nitroso Folinic acid (Leucovorin) dicalcium Salt Nitrosamine CS-O-38913 Not Available Enquire
N-Nitroso Levoleucovorin 2 (Levofolinic acid) Nitrosamine CS-O-50590 ---- Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Levofolinic Acid Nitroso Impurity 1 Analytical Standard CS-EO-03157-10MG Not Available Enquire
N8-Nitroso Folinic acid (Leucovorin) Analytical Standard CS-O-49296-10MG ---- Enquire
N-nitroso-levoleucovorin(Levofolinic acid)-2 Analytical Standard CS-O-50590-10MG ---- Enquire
N-nitroso-levoleucovorin-1-100 PPM in Acetonitrile Analytical Standard CS-EO-03157-1.5ML Not Available Enquire
N-nitroso-levoleucovorin-2-100 PPM in Acetonitrile Analytical Standard CS-O-50590-1.5ML ---- Enquire