The CAS Registry Mumber 246-20-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,4 and 6 respectively; the second part has 2 digits, 2 and 0 respectively. Calculate Digit Verification of CAS Registry Number 246-20: (5*2)+(4*4)+(3*6)+(2*2)+(1*0)=48 48 % 10 = 8 So 246-20-8 is a valid CAS Registry Number.
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246-20-8Downstream Products
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