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402856-42-2

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402856-42-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 402856-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,2,8,5 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 402856-42:
(8*4)+(7*0)+(6*2)+(5*8)+(4*5)+(3*6)+(2*4)+(1*2)=132
132 % 10 = 2
So 402856-42-2 is a valid CAS Registry Number.
InChI:InChI=1/C17H23Cl2NO/c1-3-21-10-14-13(9-12-5-7-17(14)20(12)2)11-4-6-15(18)16(19)8-11/h4,6,8,12-14,17H,3,5,7,9-10H2,1-2H3/t12?,13-,14-,17?/m1/s1

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