87870-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87870-61-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,8,7 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87870-61:
(7*8)+(6*7)+(5*8)+(4*7)+(3*0)+(2*6)+(1*1)=179
179 % 10 = 9
So 87870-61-9 is a valid CAS Registry Number.