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Toluene-4-sulfonic acid (R)-2-(1-benzyl-6-oxo-1,6-dihydro-purin-9-yl)-2-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-1-hydroxymethyl-ethoxy]-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99236-81-4

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99236-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99236-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,2,3 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99236-81:
(7*9)+(6*9)+(5*2)+(4*3)+(3*6)+(2*8)+(1*1)=174
174 % 10 = 4
So 99236-81-4 is a valid CAS Registry Number.

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