Applications of 4-Amino-2-Bromopyrimidine-5-Carbonitrile in Industrial Manufacturing

As a direct manufacturer, we supply 4-Amino-2-Bromopyrimidine-5-Carbonitrile for advanced synthesis steps in the pharmaceutical, agrochemical, and specialty chemical industries. Below, we present real downstream application scenarios, with specific requirements, integration points, and final outputs recorded from actual customer projects and regulatory experience.

1. Pharmaceutical Intermediate for Antiviral Drug Synthesis

Many innovators and generics producers use this material as a core pyrimidine building block during the production of nucleoside analogues and other targeted antiviral APIs. It reacts as a halogenated precursor in Suzuki, Buchwald, or other coupling methodologies. Manufacturers adjust substitution patterns to tailor the molecular backbone, ensuring compliance with ICH Q7 and regional process validation standards throughout multi-stage synthesis.

Industry compliance standards

• ICH Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
• 21 CFR Part 211 (United States FDA cGMP for Finished Pharmaceuticals)
• EU GMP Vol IV for APIs
• Relevant local DMF, ANDA, CEP submissions

Typical usage ratio

• 0.8–1.2 molar equivalents per reaction step, depending on further pyrimidine modification
• Adjustments require stoichiometric optimization based on proprietary route, purity of input, and target yield specifications

Downstream process integration

• Introduced at Stage 1 or 2 in nucleoside analog API synthesis
• Participates in halide displacement, amination, or cross-coupling operations
• Critical for achieving desired regioselectivity in heterocyclic motifs

Final product types

• Antiviral drug substances (e.g., Brivudine, Lersivirine intermediates)
• Other modified nucleoside APIs
• Contract manufactured pharmaceutical actives (CDMO supplies)

2. Agrochemical Intermediate for Pyrimidine-Based Herbicide Synthesis

Producers of selective herbicides engage 4-Amino-2-Bromopyrimidine-5-Carbonitrile in key cyclization steps when constructing pyrimidine and pyridine-blocking motifs. Its reactivity enables specific substitutions at the 4- or 5-position, influencing the seedling selectivity profile. Field regulatory dossiers necessitate traceability of all input raw materials, and all handlers document the compound within audited ISO systems.

Industry compliance standards

• ISO 9001:2015 Quality Management System
• OECD Principles of Good Laboratory Practice (GLP) for agrochemical studies
• China National Standards (GB/T for pesticide intermediates)
• REACH Regulation (EC) No.1907/2006 for chemical supply in Europe

Typical usage ratio

• 15–20% by weight of the active ingredient synthesis batch, typically 0.7–1.0 stoichiometric ratio
• Ratio adjusted based on alternative side-chain precursors and yield optimization

Downstream process integration

• Added at intermediate heterocycle formation step
• Used in condensation or nucleophilic substitution to finalize herbicidal scaffold
• Often followed by alkylation, chloro-substitution, or esterification

Final product types

• Pyrimidine-based herbicidal active ingredients (e.g., Penoxsulam, Bispyribac-sodium intermediates)
• Technical grade and formulated herbicides
• Seed treatment chemical bases

3. Synthesis of Functional Materials for OLED and Organic Electronic Devices

Specialty chemical companies integrate this material to prepare electron-deficient heterocyclic cores needed in advanced organic electronic applications. Its brominated pyrimidine scaffold allows precise atomic placement for charge transport regulation. Downstream partners require batch retention samples for RoHS and SVHC compliance support due to the end-use in sensitive display panels and semiconductor coatings.

Industry compliance standards

• EU RoHS Directive 2011/65/EU for restriction of hazardous substances
• REACH Annex XVII for substances of very high concern (SVHC screening)
• IEC 62474 Material Declaration for electronic components
• ISO 14001:2015 Environmental Management System

Typical usage ratio

• 5–12% by weight in pyrimidine core synthesis steps
• Adjusted slightly per batch to suit device layer thickness requirements

Downstream process integration

• Deployed during cyclization and substitution when fabricating organic semiconductor blocks
• Controls placement of electron-deficient sites in target molecules
• Purity level >99.5% required for optical device applications

Final product types

• Electron-transport layer molecules (ETL) for OLED displays
• Pyrimidine-based hole blocking layers in organic photodiodes
• Organic field-effect transistor (OFET) material precursors

4. Intermediate for Veterinary Pharmaceutical Synthesis

Animal health product manufacturers incorporate the compound to provide rigidity and selectivity in heterocyclic backbone assembly, especially for veterinary antiviral and antiparasitic actives. Veterinary GMP auditors request original synthetic route documentation, and downstream use triggers separate QC validation from that applied to human pharmaceuticals, in line with regional VICH guidelines.

Industry compliance standards

• VICH GL9 Good Manufacturing Practice for APIs (veterinary use)
• ISO 9001 quality assurance (animal health sector)
• APVMA or EMA requirements for veterinary active registration
• Country-specific Drug Regulatory Affairs (DRA) guidance

Typical usage ratio

• 0.9–1.1 molar equivalents per step
• Adjusted to final animal health API process yield targets and impurity profile limits

Downstream process integration

• Integrated in the first stage of veterinary API core building
• Subjected to N-alkylation and amino-group protection steps as per target structure pathway
• Inputs backed by full traceability batch records

Final product types

• Veterinary antiviral APIs
• Antiparasitic intermediates for oral and injectable dosage forms
• Compounded animal health finished pharmaceuticals