High Purity Ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate: Your Key Intermediate for Bendamustine Synthesis
Discover a leading manufacturer and supplier of ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate (CAS: 3543-73-5) in China. As a critical pharmaceutical intermediate for Bendamustine hydrochloride and Bendamustine, we offer unparalleled quality and reliability for your synthesis needs. Secure your supply chain with our expert production and custom manufacturing services.
Get a Quote & SamplePremier Pharmaceutical Intermediate for Advanced API Manufacturing

Ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate
As a dedicated manufacturer and supplier in China, we provide high-quality ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate (CAS: 3543-73-5). This essential pharmaceutical intermediate is crucial for the synthesis of vital APIs like Bendamustine and Bendamustine Hydrochloride. Our commitment to purity (≥99%) and consistent supply ensures your research and production pipelines remain uninterrupted. We offer flexible solutions from gram to ton scale, making us your trusted partner.
- Source High-Purity Pharmaceutical Intermediates: Reliable ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate (CAS: 3543-73-5) essential for Bendamustine synthesis.
- Trusted Manufacturer & Supplier in China: We are a leading producer committed to quality and efficient supply chain management.
- Bulk Supply & Contract Manufacturing: From lab-scale to industrial quantities, we cater to diverse project requirements.
- Expertise in API Intermediates: Leverage our deep understanding of organic chemistry and pharmaceutical manufacturing to buy with confidence.
Why Choose Our Pharmaceutical Intermediate
Uncompromising Quality and Purity
Our ethyl 4-(5-amino-1-methylbenzimidazol-2-yl)butanoate consistently meets stringent purity standards (≥99%), vital for critical pharmaceutical applications. Discover the difference quality makes when you buy from a reputable manufacturer.
Dedicated Bendamustine Synthesis Support
As a key intermediate for Bendamustine and Bendamustine hydrochloride, our product empowers efficient and reliable API production. Partner with us to secure your manufacturing process.
Scalable Production & Custom Synthesis
We provide flexible supply options, from small research batches to large-scale commercial quantities. Benefit from our contract manufacturing capabilities to streamline your procurement.
Key Applications and Industry Impact
Pharmaceutical Synthesis
Crucial building block for the synthesis of oncology drugs, specifically Bendamustine and its hydrochloride salt. Ensure your synthesis pathway is robust with our premium intermediate.
API Manufacturing Support
We supply essential intermediates to Active Pharmaceutical Ingredient (API) manufacturers, supporting the global healthcare industry with critical chemical components.
Research and Development
Ideal for R&D laboratories exploring new synthetic routes or optimizing existing processes for cancer therapeutics. Purchase research quantities with confidence.
Contract Manufacturing Services
Leverage our expertise for your custom synthesis needs. As a reliable contract manufacturer, we can produce specific intermediates to your exact specifications.