The CAS Registry Mumber 103991-32-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,9 and 1 respectively; the second part has 2 digits, 3 and 2 respectively. Calculate Digit Verification of CAS Registry Number 103991-32: (8*1)+(7*0)+(6*3)+(5*9)+(4*9)+(3*1)+(2*3)+(1*2)=118 118 % 10 = 8 So 103991-32-8 is a valid CAS Registry Number.
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Get Best Price for103991-32-81,2-Benzenedicarboxylic acid mono[1-methyl- 2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl] ester polymer with butyl 2-methyl-2-propenoate, butyl 2-propenoate and 2-methyl- 2-propenoate