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40544-68-1

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40544-68-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40544-68-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,5,4 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40544-68:
(7*4)+(6*0)+(5*5)+(4*4)+(3*4)+(2*6)+(1*8)=101
101 % 10 = 1
So 40544-68-1 is a valid CAS Registry Number.
InChI:InChI=1/C12H20O4.C6H9NO/c1-3-5-9-15-11(13)7-8-12(14)16-10-6-4-2;1-2-7-5-3-4-6(7)8/h7-8H,3-6,9-10H2,1-2H3;2H,1,3-5H2/b8-7-;

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