ScreenLib is a leading global manufacturer of ultrapure herbal reference standards. Our product ranges comprises more than 6,500 comprehensively documented phytochemicals – the ChemFaces ® Reference Substances.

To scientific researchers: There are more than 3000 kinds of natural compounds in stock for you to choose. We supply multiple specifications of separate packing and the packing for the series of compound. Customized packages also can be provided, such as the standard 96 well plate package etc. To distributors: We have a large number of natural compounds with abundant kinds and diverse fresh structures. And we provide high-quality products,our best service for you. Meanwhile we provide colorful product information for free. You only need to focus on new customers, there is no need to worry about any other product problems. To Buyers: we has a standardized work shop, and can provide high-quality products with favorable price for you, and customized packaging services. We can supply various products from the size of milligram to gram.

ChemFaces is a professional company with expert and integrated R&D group and production team. The keen insights of the research personnel lay a solid foundation for the choice of plants with high research value and bioactivity. Screening the references, analyzing the expectant ingredients and designing the feasible production standard, the production staff can separate and prepare various natural products with different purity by making use of all kinds of preparative chromatographic apparatus and analytical instruments. Meanwhile, the research personnel can authenticate the structure of the compounds with spectrum, MS and NMR.

Covering an area of thousands of square meters, ChemFaces was equipped with a systematic administrative area, including the office area, the sales office, R&D laboratory, precise instrument rooms, raw plant material warehouse, constant temperature and humidity warehouse and clean production workshop. The complete R&D and production process and normative management system provides a guarantee for the high quality products. With the impeccable sales system and abiding by the principle of meticulous service, we hammer at offering high-quality service for the customers around the world. By virtue of the independent import and export rights and years of experience in export trade, we can deliver the goods to you quickly by keeping you indoors.

Your requirements are what we are oriented at and your satisfaction is the objective we pursue!

1.Welcome to ScreenLib ChemFaces® Reference Substances

2.Construct high-quality natural product library for drug research and development. More than 6500 compounds are available, many of them are our unique products.

3.Provide reference substances and active components of T raditional Chinese Medicine.

4.Provide more products of inhibitors in addition to a variety of screening libraries.

5.Provide isolation and structure determination of natural products.

6.Contract research, contract manufacture and process development services from lab scale, pilot scale to comm ercial scale.

1. ChemFaces Natural Products pay careful attention to the purity and stability our products. We can provide the chemical test data by NMR, LC-MS, and HPLC. If you are in any way unsatisfied with the quality of our products, we will unconditionally refund or replace the products in question.

2. ChemFaces helps our customers use the products to their full potential. Our team is dedicated to customer satisfaction and you can expect helpful advice on all aspects of our products when you Contact Us. (service@chemfaces.com)

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