The CAS Registry Mumber 121617-10-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,1 and 7 respectively; the second part has 2 digits, 1 and 0 respectively. Calculate Digit Verification of CAS Registry Number 121617-10: (8*1)+(7*2)+(6*1)+(5*6)+(4*1)+(3*7)+(2*1)+(1*0)=85 85 % 10 = 5 So 121617-10-5 is a valid CAS Registry Number.
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Get Best Price for121617-10-5Rosin, polymd., polymer with maleic anhydride, phthalic anhydride, tall oil, tetrahydroabietyl alc. and trimethylolpropane