Silymarine USP42 or DAB10 CAS NO.65666-07-1

Silymarin[CAS:22888-70-6]

USP42

HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture.

With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exporting pharmaceuticals, veterinary drugs, feed additives, intermediates, fine chemicals, plants extracts, pesticides, food & nutrition additives.

Thinkchem is good at offering excellent outsourcing services to overseas customers as well as laboratory support.

Custom manufacture

Thinkchem is good at offering contract manufacture and custom synthesis under confidential agreement timely and effectively, and providing sales service from grams ,kilograms to multi-tons particularly for pharmaceuticals and their intermediates discovery and development. Thinkchem is equipped with modern lab apparatus including HPLC, GC. TLC AND NMR, motivated by a team of highly qualified personnel using these equipments.

Staff

Thinkchem is composed of chemical technicians, analytical chemists, organic chemists, and chemical engineers educated in leading universities in china. Our staff is supported by a group of consultants from academia with expertise in chemical synthesis and analytical chemistry.

Silymarin[CAS:22888-70-6]

Characteristics                       Light Yellow Powder, no characteristic odor 

Identification                                 Positive  Reaction  

Partification                                  100% pass 80 mesh  

Clarity and Color of Solution            1% methanol solution must be clarified 

Solubility                           Easy soluble in acetone & ethyl acetate, in                 

                                   Methanol and ethanol, practically insoluble

Heavy Metals：                                 Max.10ppm   

Spectrophotometric Analysis                       Min.80.0% 

Moulds and Yeasts                               Max.100/gr                                21/gr   

E.eoli                                          Absent                                   Negative                                                            

Pscudomonas aeruginsa                            Absent                                   Negative

Staphylococcus aeruginsa                          Absent                                   Negative

Salmonella                                      Absent                                   Negative 

Name		Silymarin
Synonyms		2-(2,3-Dihydro-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-1,4-benzodioxin-6-yl)-2,3-dihydro-3,5,7-trihydroxy-4H-1-benzopyran-4-one
Molecular Structure
Molecular Formula		C25H22O10
Molecular Weight		482.44
CAS Registry Number		65666-07-1

1. Well-trained professional sales team dedicated to source, audit and export.

2. Well-trained R & D team equipped with new knowledge, new ideas and new insights to support product development and innovation.

3. Well-established partnership with major pharmaceutical and chemical companies in china.

4. Wide range of products and efficient regulatory documentation offered to customers.