879503-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 879503-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,9,5,0 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 879503-45:
(8*8)+(7*7)+(6*9)+(5*5)+(4*0)+(3*3)+(2*4)+(1*5)=214
214 % 10 = 4
So 879503-45-4 is a valid CAS Registry Number.