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Reference standards | Impurity standards | Research Chemicals | Metabolites | KSM | CRAMs

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Free data will be sent to the client on every shipment. There should not be extra charges to demand for additional data.


We synthesized products in cost effective ways and thus our products are affordable to everyone.       


As soon as the order/PO is confirmed,
products are shipped immediately.


The best pharmaceutical impurities provider employ the best communication facilities to contact their clients 24X7 and most of these organisations view it as a priority to establish a good association with their clients.


We delivered products within the stipulated or agreed time period due to the perfect blend of a lot of their internal qualities such as work planning, transparency, effective communication facilities and many more.


These organizations depend on Shree Maruti, DHL, FedEx Fast Track services to move their products and these services are available round the clock.


KarpsChem is an independent research driven company specialized in the custom synthesis of pharmacopeia & non-pharmacopeia reference standards, drug gluconorides, drug metabolites, Isotope labelled reference standards and focused compound libraries. As a research-driven organization, we have developed novel processes to make niche products required to pharmaceutical companies globally at various platform. We understand the industry research needs thoroughly and have earned reputation for being most reliable innovator of pharmaceutical reference standards worldwide. Team having expertise of synthesis for undertaking CRAMs and CRO projects from Pharmaceutical, Agriculture and Veterinary industries. Variety of impurities like Genotoxic, Neurotoxic impurities required for agencies like USFDA, MHRDA etc,are available.

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Materializing your ideas

Quickly and efficiently fulfilling your synthesis request is the main goal of KarpsChem’s custom synthesis team. The years of providing creative solutions make us the perfect choice for solving difficult problems and making complex tasks simpler. We will provide:
•Synthesis of standards, comparator compounds, building blocks
•Synthesis of small to medium sized libraries
&0bull;Synthesis of degradation products or impurities
•Natural product synthesis
•Synthesis of human metabolites

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Find out more about our experience…

Innovation is the right word to describe our main contribution to your project. Heterocycles, amino acids and peptides are just some of the chemotypes we have worked with. Target molecules are obtained using different synthetic transformations and functional group inter-conversions such as:
•Asymmetric catalysis
•Transition metal catalysis
•Organometallic chemistry

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Find out more about our experience…

•Aldol Condensation
•Appel Reaction
•Baeyer-Villiger Oxidation
•Buchwald-Hartwig Cross Coupling Reaction
•Chan-Lam Coupling
•Claisen Condensation
•Dess-Martin Oxidation
•Diels-Alder Reaction
•Friedel-Crafts Alkylation
•Friedel-Crafts Acylation

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