87115-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87115-20-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,1 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87115-20:
(7*8)+(6*7)+(5*1)+(4*1)+(3*5)+(2*2)+(1*0)=126
126 % 10 = 6
So 87115-20-6 is a valid CAS Registry Number.