Description

2,5-Pyrimidinediamine, 4-Fluoro- (9Ci) is a fluorinated pyrimidine derivative, a high-value heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its dual functional groups (diamine) and strategic fluorine substitution, enabling precise molecular modifications. This compound is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of fluorinated drug candidates, particularly in oncology and antiviral therapeutic areas.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides where the fluoropyrimidine core enhances biological activity and metabolic stability.
• Chemical Research & Development: Serves as a versatile building block for constructing complex heterocyclic libraries in medicinal and combinatorial chemistry.
• Material Science Precursor: Potential use in the synthesis of specialty polymers, ligands for catalysis, or organic electronic materials.
• Biochemical Probe Development: Useful for creating labeled compounds or probes for studying biological mechanisms due to its modifiable amine groups.

Basic Information

Product Name	2,5-Pyrimidinediamine, 4-Fluoro- (9Ci)
CAS No.	7542-39-4
Molecular Formula	C4H5FN4
Molecular Weight	128.11 g/mol
Synonyms	4-Fluoro-2,5-pyrimidinediamine; 4-Fluoropyrimidine-2,5-diamine; 2,5-Diamino-4-fluoropyrimidine; 4-Fluoro-2,5-diaminopyrimidine; 4-Fluoropyrimidine-2,5-diyldiamine; 7542-39-4; 4-Fluoro-2,5-pyrimidinediyldiamine
EINECS	Contact for details

Quality Control

Our 2,5-Pyrimidinediamine, 4-Fluoro- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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