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

Fluorouracil Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Fluorouracil-13C,15N2 Stable Isotopes CS-P-02912 1189423-58-2 In Stock
5-Fluorouracil-13C,15N2 N-β-D-Glucuronide Stable Isotopes CS-T-98458 Not Available Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-hydroxy Uracil Metabolite CS-O-06003 496-76-4 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Chloro-1,3-dimethylpyrimidine-2,4(1H,3H)-dione Impurity CS-M-47432 6972-27-6 In Stock
Fluorouracil Dimer Impurity Impurity CS-O-47900 Not Available Enquire
Fluorouracil Impurity 11 Impurity CS-O-45436 Not Available Enquire
Fluorouracil Impurity 17 Impurity CS-O-59991 62836-98-0 Enquire
4,6-Dihydroxy-5-methoxypyrimidine Impurity CS-DL-00718 5193-84-0 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Methyl-2,4(1H,3H)-pyrimidinedione Intermediate CS-M-42931 626-48-2 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-Chlorouracil Fine Chemicals CS-O-01151 1820-81-1 In Stock
6-Chlorouracil Fine Chemicals CS-T-12750 4270-27-3 Enquire
Barbituric Acid Fine Chemicals CS-I-00067 67-52-7 In Stock


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Emtricitabine 5-fluorouracil analog Therapeutic CS-O-16331 145986-11-4 In Stock