The CAS Registry Mumber 458523-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,8,5,2 and 3 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 458523-66: (8*4)+(7*5)+(6*8)+(5*5)+(4*2)+(3*3)+(2*6)+(1*6)=175 175 % 10 = 5 So 458523-66-5 is a valid CAS Registry Number.
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Get Best Price for458523-66-5Acetic acid, dichloro-, 3,4-dichloro-5-(formylmethylamino)-2-furanyl ester (9CI)