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34254-52-9

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34254-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34254-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,2,5 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 34254-52:
(7*3)+(6*4)+(5*2)+(4*5)+(3*4)+(2*5)+(1*2)=99
99 % 10 = 9
So 34254-52-9 is a valid CAS Registry Number.

34254-52-9Relevant academic research and scientific papers

An Improved Synthesis of 2,3- and 3,4-Unsaturated Pyranosides: the Use of Microwave Energy

Baptistella, Lucia H. B.,Neto, Alana Z.,Onaga, Helena,Godoi, Eduardo A. M.

, p. 8407 - 8410 (1993)

Tipson-Cohen reactions of sugar derivatives containing contigous sulfonyloxy groups have been studied in a microwave oven.Considerable rate increases and high yields of the unsaturated products have been observed.

Synthetic Routes to 6,8-Dioxabicyclooctyl Pheromones from D-Glucose Derivatives. 3. Synthesis of (-)-Frontalin

Jarosz, Slawomir,Hicks, David R.,Fraser-Reid, Bert

, p. 935 - 940 (2007/10/02)

3-Deoxy-2-oxo glycosides with and without a C4 hydroxyl group are readily prepared from methyl α-D-glucopyranoside.Reaction with methylmagnesium iodide gives the C2 tertiary alcohol with an axially oriented methyl group.The epimeric tertiary alcohol can b

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