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

Fumaric Acid Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"Fumaric Acid-1,4-13C2" Stable Isotopes CS-T-75982 96503-56-9 Enquire
FUMARIC ACID 13C4 Stable Isotopes CS-R-00395 201595-62-2 In Stock
Fumaric acid Monoethyl-d5 Ester Stable Isotopes CS-O-15291 2459-05-4(Unlabeled) In Stock
Fumaric Acid Monoethyl-d5 Ester Stable Isotopes CS-T-76888 1266398-64-4 Enquire
Fumaric acid Monomethyl Ester-d3 Stable Isotopes CS-T-76015 1616345-41-5 In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fumaric acid-d4 API Standards CS-BX-01294 194160-45-7 Enquire
Ibrutinib-Hemi Fumaric Acid API Standards CS-EO-03613 936563-96-1 (Freebase) Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-(2-Fluorophenyl)-N-methyl-1H-pyrrole-3-methanamine fumaric... Impurities CS-O-52647 1885094-64-3 Enquire
Dihydroxyfumaric Acid Dimethyl Ester Impurities CS-T-53185 133-47-1 Enquire
Ebastine Impurity E fumaric acid Impurities CS-P-01314 Not Available In Stock
Fesoterodine Fumarate impurity G (fumaric acid ester impurit... Impurities CS-O-35021 1254942-29-4(Free base) Enquire
Fumaric Acid tert-Butyl Ester Impurities CS-T-23830 135355-96-3 Enquire
Palbociclib Fumaric Acid Impurities CS-O-38017 Not Available Enquire
sponimod fumaric acid amine impurity Impurities CS-O-46290 800379-62-8 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fumaric Acid Monoethyl Ester Calcium Salt Intermediates CS-T-23826 62008-22-4 Enquire
Fumaric Acid Monoethyl Ester Magnesium Salt (2:1) Intermediates CS-T-54781 83918-60-9 Enquire
Fumaric Acid Monoethyl Ester Zinc Salt (2:1) Intermediates CS-T-54782 62008-21-3 Enquire
Fumaric Acid Monomethyl Ester Intermediates CS-T-23828 2756-87-8 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fumaric Acid Fine Chemicals CS-T-54780 110-17-8 In Stock
Fumaric Acid Monomethyl Ester Fine Chemicals CS-O-30666 2756-87-8 In Stock