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8003-31-4

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8003-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 8003-31-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 8003-31:
(6*8)+(5*0)+(4*0)+(3*3)+(2*3)+(1*1)=64
64 % 10 = 4
So 8003-31-4 is a valid CAS Registry Number.
InChI:InChI=1/C9H9ClO3.C8H6Cl2O3/c1-6-4-7(10)2-3-8(6)13-5-9(11)12;1-13-7-5(10)3-2-4(9)6(7)8(11)12/h2-4H,5H2,1H3,(H,11,12);2-3H,1H3,(H,11,12)

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