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123499-68-3

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123499-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123499-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,9 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 123499-68:
(8*1)+(7*2)+(6*3)+(5*4)+(4*9)+(3*9)+(2*6)+(1*8)=143
143 % 10 = 3
So 123499-68-3 is a valid CAS Registry Number.

123499-68-3Downstream Products

123499-68-3Relevant academic research and scientific papers

Enzymatic Synthesis of Various 1'-O-Sucrose and 1-O-Fructose Esters

Carrea, Giacomo,Riva, Sergio,Secundo, Francesco,Danieli, Bruno

, p. 1057 - 1061 (2007/10/02)

A crude preparation of the proteolytic enzyme subtilisin has been used to catalyse the regioselective esterification of sucrose in anhydrous dimethylformamide.In this way 1'-O-sucrose esters bearing acyl groups of different sizes and types have been synthesized.These sucrose derivatives have been hydrolysed by yeast α-glucosidase to the corresponding 1-O-fructose esters, not easily attainable by chemical methods.

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