Description

6-Fluorocytosine is a fluorinated pyrimidine analog with significant biochemical activity. This compound is a critical intermediate in the synthesis of advanced pharmaceuticals, particularly antifungal agents and nucleoside-based therapeutics. It is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers focused on antiviral and anticancer drug discovery.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of antifungal drugs like flucytosine and other fluorinated nucleoside analogs.
• Antiviral Research: Used in the development and study of novel antiviral compounds targeting viral replication mechanisms.
• Oncology Research: Serves as a precursor in the creation of chemotherapeutic agents and targeted cancer therapies.
• Biochemical Studies: Employed as a tool compound in enzymatic studies and metabolic pathway analysis due to its specific inhibitory properties.
• Fine Chemical Synthesis: A versatile intermediate for introducing the fluorocytosine moiety into more complex molecular architectures.
• Reference Standard: Used as a high-purity analytical standard in quality control laboratories for pharmaceutical testing.

Basic Information

Product Name	6-Fluorocytosine
CAS No.	2193-47-7
Molecular Formula	C4H4FN3O
Molecular Weight	129.09 g/mol
Synonyms	5-Fluorocytosine; Flucytosine; 4-Amino-5-fluoro-2(1H)-pyrimidinone; 5-FC; 5-Fluor-4-aminopyrimidin-2(1H)-on; Ancobon; Alcobon; 5-Fluorocytosin; 4-Amino-5-fluoropyrimidin-2(1H)-one; 2-Hydroxy-4-amino-5-fluoropyrimidine
EINECS	218-593-6

Quality Control

Our 6-Fluorocytosine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation by IR and NMR spectroscopy, and stringent control of residual solvents and heavy metals. Certificates of Analysis (COA) detailing all specifications are provided to ensure compliance with your research or cGMP manufacturing requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Water Content (KF)	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm
Related Substances (HPLC)	Total impurities ≤2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.