879567-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 879567-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,9,5,6 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 879567-81:
(8*8)+(7*7)+(6*9)+(5*5)+(4*6)+(3*7)+(2*8)+(1*1)=254
254 % 10 = 4
So 879567-81-4 is a valid CAS Registry Number.