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31166-18-4

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31166-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31166-18-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,6 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 31166-18:
(7*3)+(6*1)+(5*1)+(4*6)+(3*6)+(2*1)+(1*8)=84
84 % 10 = 4
So 31166-18-4 is a valid CAS Registry Number.
InChI:InChI=1/3C8H6Cl2O3.Al/c3*9-5-1-2-7(6(10)3-5)13-4-8(11)12;/h3*1-3H,4H2,(H,11,12);/q;;;+3/p-3

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