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1235553-24-8

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1235553-24-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1235553-24-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,5,5,5 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1235553-24:
(9*1)+(8*2)+(7*3)+(6*5)+(5*5)+(4*5)+(3*3)+(2*2)+(1*4)=138
138 % 10 = 8
So 1235553-24-8 is a valid CAS Registry Number.

1235553-24-8Relevant articles and documents

Green synthesis of dimethyl isosorbide

Tundo, Pietro,Aricò, Fabio,Gauthier, Guillaume,Rossi, Laura,Rosamilia, Anthony E.,Bevinakatti, Hanamanthsa S.,Sievert, Robert L.,Newman, Christoper P.

, p. 566 - 570 (2010)

A green synthetic approach for dimethyl isosorbide (DMI) with dimethylcarbonate (DMC) in the presence of a base is reported. The easy methylation of isosorbide may be due to its unique structure (which enhances the nucleophilicity of the hydroxyl groups), and to the effect of the hydrogen bonding which increases the reactivity of the molecule towards DMC.

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