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19974-71-1

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19974-71-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19974-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,7 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19974-71:
(7*1)+(6*9)+(5*9)+(4*7)+(3*4)+(2*7)+(1*1)=161
161 % 10 = 1
So 19974-71-1 is a valid CAS Registry Number.
InChI:InChI=1/C19H23NO2.ClH/c1-22-17-13-8-14-20-18(17)19(21,15-9-4-2-5-10-15)16-11-6-3-7-12-16;/h2-7,9-12,17-18,20-21H,8,13-14H2,1H3;1H

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