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(3R,4S,5S)-3,4,5-Tris-benzyloxy-tetrahydro-pyran-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

209125-48-4

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209125-48-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209125-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,1,2 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 209125-48:
(8*2)+(7*0)+(6*9)+(5*1)+(4*2)+(3*5)+(2*4)+(1*8)=114
114 % 10 = 4
So 209125-48-4 is a valid CAS Registry Number.

209125-48-4Downstream Products

209125-48-4Relevant academic research and scientific papers

General syntheses of ethyl 2-ulosonates and 3-deoxy-D-manno-oct-2- ulosonic acid from carbohydrate lactones with 1-ethoxyvinyllithium

Jiang, Shende,Rycroft, Anthony D.,Singh, Gurdial,Wang, Xiang-Zhu,Wu, Yu-Lin

, p. 3809 - 3812 (2007/10/03)

Reactions of 1-ethoxyvinyllithium with isopropylidene or benzyl protected sugar lactones afforded the corresponding hemiacetals which, on ozonolysis, gave the ethyl 2-ulosonates. This allowed a rapid and efficient synthesis of 3-deoxy-D-manno-oct-2-ulosonic acrid (KDO).

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