We specialize in delivering premium API impurities, drug metabolites, and reference standards to support pharmaceutical research, development, and quality control.
Our Products
API Impurities and Drug Metabolites
Comprehensive impurity standards for analytical and quality control applications.
Working Standards
Pharmacopoeial and non-pharmacopoeial working standards to ensure accurate analysis and compliance.
Custom Synthesis Services
Tailor-made solutions for impurity synthesis, metabolite development, and specialty compounds to meet your specific R&D requirements.
Active Pharmaceutical Ingredients (APIs)
High-quality APIs manufactured with precision and regulatory compliance.
Pharmaceutical Intermediates
Essential intermediates for drug synthesis, meeting the highest quality standards.
Pharmaceutical Pellets
Manufactured for controlled and sustained drug release formulations.

Why Choose RXN Chemicals?
- ✔Extensive Product Range: Over 60,000 products derived from 2,000+ APIs, covering a broad spectrum of pharmaceutical needs.
- ✔Experienced Technical Team: A dedicated team of 100+ highly qualified experts, committed to providing tailored solutions.
- ✔Certified Testing: Offering comprehensive COA, IR, Mass, HPLC, NMR, and TGA certifications for accurate product validation.
- ✔Uncompromising Quality: Our focus is on delivering the highest-quality products, adhering to stringent quality standards.
- ✔Comprehensive Technical Support: We provide robust technical assistance, guiding our clients through every stage of the process.
Industries We Serve
- Pharmaceutical Manufacturers:
Supplying APIs, intermediates, and impurities for production. - Contract Research Organizations (CROs):
Supporting R&D with impurities, metabolites, and working standards. - Contract Manufacturing Organizations (CMOs):
Providing essential materials for large-scale drug production. - Academic and Research Institutions:
Offering custom synthesis and reference standards for drug research and testing. - Formulation Developers:
Supplying pellets and intermediates for advanced drug delivery systems.

About Us
RXN Chemicals Pvt. Ltd.
Established in 2009, RXN Chemicals Pvt Ltd is a leading supplier of high-quality Active Pharmaceutical Ingredients (APIs), intermediates, pellets, impurities, and working standards. With over 60,000 CAS number products derived from more than 2,000 APIs, we serve the diverse needs of the pharmaceutical industry. Our in-house manufacturing and advanced testing capabilities ensure that every product we deliver meets the highest quality standards. RXN Chemicals Pvt. Ltd. specializes in GMP-grade, ICH Q3A/Q3B-compliant API impurities like Sitagliptin lactam, Valsartan NDMA/NDEA, Atorvastatin lactone, Losartan azido, Metformin, and Telmisartan. Custom synthesis and global delivery with full documentation.
Our Clients








Contact Us
RXN CHEMICALS PVT. LTD.
S.No. 135, D-Block, Unit-203,
Naren Pearl, Magarpatta Rd,
Hadapsar Pune - 411028.