879631-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 879631-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,9,6,3 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 879631-61:
(8*8)+(7*7)+(6*9)+(5*6)+(4*3)+(3*1)+(2*6)+(1*1)=225
225 % 10 = 5
So 879631-61-5 is a valid CAS Registry Number.