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

Tetrahydrofolic Acid Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-(Methyl-d3)tetrahydrofolic acid Stable Isotopes CS-EO-02382 1356019-97-0 Enquire
5-(Methyl-d3)tetrahydrofolic Acid Calcium Salt (Mixture of D... Stable Isotopes CS-T-99984 26560-38-3(Unlabelled) Enquire
5-formyltetrahydrofolic acid 13C6 Stable Isotopes CS-EK-02254 212248-94-7 Enquire
5-Methyltetrahydrofolic acid 13C6 Stable Isotopes CS-EK-02865 212248-92-5 Enquire
5-Methyltetrahydrofolic acid D4 Stable Isotopes CS-P-08364 461426-39-1 Enquire
5-Methyltetrahydrofolic acid-(glutamic acid-13C5) Stable Isotopes CS-BX-00263 1207282-74-3 Enquire
5-Methyltetrahydrofolic Acid-[13C5] Stable Isotopes CS-I-00406 1207282-74-3 Enquire
5-Methyltetrahydrofolic acid-13C Stable Isotopes CS-CX-00016 1356019-94-7 In Stock
L-Tetrahydrofolic Acid-d4 (Major) (>70% when packaged) Stable Isotopes CS-T-86674 1356841-72-9 Enquire
Tetrahydrofolic acid 13C5 Stable Isotopes CS-EK-00554 135-16-0 unlabeled Enquire
Tetrahydrofolic acid 13C6 Stable Isotopes CS-EK-01322 212248-88-9 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dimethyltetrahydrofolic acid Metabolites CS-EO-00253 3029091-15-1 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(6S)-Tetrahydrofolic Acid Impurities CS-T-61821 71963-69-4 Enquire
5-(Alpha-Folinilamido) Tetrahydrofolic Acid Impurities CS-O-38646 Not Available Enquire
5-(gamma-folinilamido) tetrahydrofolic acid Impurities CS-O-35692 Not Available Enquire
5,10-Methenyltetrahydrofolic acid Impurities CS-ED-00617 7444-29-3 Enquire
5-Methyltetrahydrofolic acid Impurities CS-ED-41528 39605-23-7 Enquire
Calcium-D-5-Methyltetrahydrofolic acid Impurities CS-O-42723 301298-88-4 In Stock
Tetrahydrofolic Acid Impurities CS-T-43690 135-16-0 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Methyltetrahydrofolic Acid Disodium Fine Chemicals CS-TC-02113 68792-52-9 Enquire