The CAS Registry Mumber 123920-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,9,2 and 0 respectively; the second part has 2 digits, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 123920-13: (8*1)+(7*2)+(6*3)+(5*9)+(4*2)+(3*0)+(2*1)+(1*3)=98 98 % 10 = 8 So 123920-13-8 is a valid CAS Registry Number.
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Get Best Price for123920-13-8L-lyxo-Hexose, 3-deoxy-6-O-(1,1-dimethylethyl)diphenylsilyl-5-C-ethyl-4-O-(phenylmethyl)-, cyclic 1,3-propanediyl dithioacetal