The CAS Registry Mumber 139479-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,7 and 9 respectively; the second part has 2 digits, 5 and 1 respectively. Calculate Digit Verification of CAS Registry Number 139479-51: (8*1)+(7*3)+(6*9)+(5*4)+(4*7)+(3*9)+(2*5)+(1*1)=169 169 % 10 = 9 So 139479-51-9 is a valid CAS Registry Number.
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Get Best Price for139479-51-9Benzenesulfonic acid, 4-3-3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl-1-oxopropylamino-, monosodium salt