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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 13C4, 15N2" Stable Isotopes CS-R-00261 202407-03-2 Enquire
5-FLUOROURACIL 15N2 Stable Isotopes CS-R-00260 68941-95-7 Enquire
5-Fluorouracil-13C 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
5-Fluorouracil-6-d1 Stable Isotopes CS-T-54940 90344-84-6 Enquire


Metabolites

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


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"1,3-Bis(4-methoxybenzyl)-5-fluorouracil" Impurities CS-T-07087 897304-05-1 Enquire
"1,3-Di(benzyloxymethyl)-5-fluorouracil" Impurities CS-T-52485 75500-03-7 Enquire
"1,3-Dibenzyl-5-fluorouracil" Impurities CS-T-52477 75500-02-6 Enquire
Emtricitabine 5-fluorouracil analog Impurities CS-O-16331 145986-11-4 In Stock
Fluorouracil Dimer Impurity Impurities CS-O-47900 Not Available Enquire
Fluorouracil Impurity 11 Impurities CS-O-45436 Not Available Enquire
Fluorouracil Impurity 17 Impurities CS-O-59991 62836-98-0 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"5-Fluorouracil-β-D-Glucuronide Methyl Ester, 2,3,4-Tri... Glucuronides CS-T-54943 77476-81-4 Enquire
5-Fluorouracil-β-D-Glucuronide Glucuronides CS-T-54942 66048-45-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Barbituric Acid Fine Chemicals CS-I-00067 67-52-7 In Stock