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20068-91-1

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20068-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20068-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,6 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20068-91:
(7*2)+(6*0)+(5*0)+(4*6)+(3*8)+(2*9)+(1*1)=81
81 % 10 = 1
So 20068-91-1 is a valid CAS Registry Number.
InChI:InChI=1/C19H23NO.ClH/c1-20-14-8-13-17(21)19(20)18(15-9-4-2-5-10-15)16-11-6-3-7-12-16;/h2-7,9-12,17-19,21H,8,13-14H2,1H3;1H

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