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Contact us Company name: Shanghai Kely Bio-Pharm Co.,Ltd Add: No. 500 Caobao Road, Shanghai PR China Tel: +86-21-64830519 Fax: +86-21-64834016 Mobile: 13764397469 Post Code: 200233 Web Site: www.kelybiopharm.com E-mail: info@kelybiopharm.com   →   (S)-1,2-Butanediol     Formula C 4 H 10 O 2  Molecular weight: 90.12   Appearance 73522-17-5  Assay:   Assay : > 99% Enantiomeric excess:  > 99%e.e Package: 200kg /

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