873946-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873946-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,4 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 873946-54:
(8*8)+(7*7)+(6*3)+(5*9)+(4*4)+(3*6)+(2*5)+(1*4)=224
224 % 10 = 4
So 873946-54-4 is a valid CAS Registry Number.