1191908-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1191908-73-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,1,9,0 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1191908-73:
(9*1)+(8*1)+(7*9)+(6*1)+(5*9)+(4*0)+(3*8)+(2*7)+(1*3)=172
172 % 10 = 2
So 1191908-73-2 is a valid CAS Registry Number.