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81691-09-0

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  • 2,4(1H,3H)-Pyrimidinedione,5-[2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-erythro-pentofuranosyl]-3-methyl-

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81691-09-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81691-09-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,9 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81691-09:
(7*8)+(6*1)+(5*6)+(4*9)+(3*1)+(2*0)+(1*9)=140
140 % 10 = 0
So 81691-09-0 is a valid CAS Registry Number.

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