Research Chemicals


your groundwork

Research Chemicals



Top-benchmarking your groundwork:
every success story starts from a good standard

general botanical 1

A reference standard is a highly-purified and well-characterized material suitable to test the identity, quality and purity of substances for chemical, pharmaceutical, medicinal and nutraceutical purposes. Reference standards play a paramount role in all phases of drug development as they serve as a solid groundwork for evaluating process and product performance. They are a key element for a consistently good benchmarking process for verifying the quality of chemical products.

Drug impurities are unwanted chemicals that develop during or after formulation, remaining with the active pharmaceutical ingredient. They can be any component which is not the intended active substance nor a desired excipient. Controlling impurities is important because such unwanted presence may influence the efficacy and safety of the formulation even in the smallest amounts.

Impurity standards –once resynthesized to the highest purity- are supplied with full analytical data, allowing precise identification and quantification of extraneous molecules that may be present in a drug.


Natural botanics consist of highly purified ingredients produced by plants through primary or secondary metabolism, generally called phytochemicals.

These bioactive chemicals play a role in plant growth or defense against competitors, pathogens, or predators, and have beneficial effects on health of human beings. Phytochemicals have the potential to prevent diseases and act as anti-microbial, anti-inflammatory, anti-oxidant, anti-cancerous and immunity-potentiating agent. Each class of functional agents consists of a wide range of chemicals with different characteristics.

Phytochemicals are subdivided into 16 main groups based on their chemical structures and characteristics. Such categories include Alkaloids, Anthocyanins, Anthraquinones, Glycosides, Coumarins, Flavonoids, Phenols, Saponins, Steroids, Tannins and Terpenoids. Within each category, a further division based on biogenesis or biosynthetic origin gives rise to different subcategories.

Our Partners

Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and worldwide marketing of high-quality phytochemicals and natural active ingredients, with a strong focus on those related to Traditional Chinese Medicine.
Whether you’re looking for small quantities for R&D or large quantities for customizing or manufacturing, Biopurify -with its more than a decade-long experience- is a consistently reliable partner for high quality phytochemicals and reference standards.

Chimete srl is an Italian company that has been providing outsourcing R&D services for organic synthesis and analytical research since 1997. Chimete is a dinamic universe of qualified, passionate and motivated researchers that has developed numerous successful collaborations with many international research centres throughout the past 20 years.


We are constantly updating our wide catalog. If you can not find the compound you’re looking for, please contact us for further information.


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