The CAS Registry Mumber 155645-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,4 and 5 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 155645-97: (8*1)+(7*5)+(6*5)+(5*6)+(4*4)+(3*5)+(2*9)+(1*7)=159 159 % 10 = 9 So 155645-97-9 is a valid CAS Registry Number.
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Get Best Price for155645-97-91,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, hexanedioic acid and oxiranylmethyl 2-methyl-2-propenoate