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4-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-5-oxopyrazolo<4,3-d>pyrimidin-7-(1H,6H)-thione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

142544-91-0

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142544-91-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142544-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,4 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142544-91:
(8*1)+(7*4)+(6*2)+(5*5)+(4*4)+(3*4)+(2*9)+(1*1)=120
120 % 10 = 0
So 142544-91-0 is a valid CAS Registry Number.

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