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1-<2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-β-D-erythro-pentofuranosyl>-6-<(2-methylpropionyl)amino>-1H-imidazo<4,5-c>pyridin-4(5H)-one 3'-(triethylammonium phosphonate) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139340-17-3

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139340-17-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139340-17-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,4 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139340-17:
(8*1)+(7*3)+(6*9)+(5*3)+(4*4)+(3*0)+(2*1)+(1*7)=123
123 % 10 = 3
So 139340-17-3 is a valid CAS Registry Number.

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