873963-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873963-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,6 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 873963-56:
(8*8)+(7*7)+(6*3)+(5*9)+(4*6)+(3*3)+(2*5)+(1*6)=225
225 % 10 = 5
So 873963-56-5 is a valid CAS Registry Number.