193477-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193477-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,4,7 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 193477-54:
(8*1)+(7*9)+(6*3)+(5*4)+(4*7)+(3*7)+(2*5)+(1*4)=172
172 % 10 = 2
So 193477-54-2 is a valid CAS Registry Number.