Shanghai Jeyu Biotec Co., Ltd.
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Vanillin is an organic compound naturally occurring in vanilla. It is white to pale yellow needle crystal with milky and vanilla aroma. The so-called natural vanillin is prepared by isomerization and oxidation of eugenol. The synthetic vanillin is prepared by nitroso process. |
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Hangzhou Sartort Biopharma Co., Ltd
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Welcome to search www.sartort.com, Sartort would appreciate the opportunity to work with your company by providing the nice quality, service,and technical support with competitive pricing. |
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Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
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All Pharmaceutical Reference Standards are supplied with Certified COA along with supporting analytical data like HPLC, Mass, NMR, CMR, UV, IR, TGA...Kindly reach me at overseasales485(at)yongstandards.com for more details! |
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