32987-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32987-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,9,8 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 32987-31:
(7*3)+(6*2)+(5*9)+(4*8)+(3*7)+(2*3)+(1*1)=138
138 % 10 = 8
So 32987-31-8 is a valid CAS Registry Number.