The CAS Registry Mumber 118685-17-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,6,8 and 5 respectively; the second part has 2 digits, 1 and 7 respectively. Calculate Digit Verification of CAS Registry Number 118685-17: (8*1)+(7*1)+(6*8)+(5*6)+(4*8)+(3*5)+(2*1)+(1*7)=149 149 % 10 = 9 So 118685-17-9 is a valid CAS Registry Number.
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Get Best Price for118685-17-9Benzenesulfonic acid, 4-amino-, polymer with formaldehyde, 2-methylphenol and phenol, bisulfited