191408-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191408-51-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,4,0 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 191408-51:
(8*1)+(7*9)+(6*1)+(5*4)+(4*0)+(3*8)+(2*5)+(1*1)=132
132 % 10 = 2
So 191408-51-2 is a valid CAS Registry Number.