119931-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119931-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,9,3 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 119931-40:
(8*1)+(7*1)+(6*9)+(5*9)+(4*3)+(3*1)+(2*4)+(1*0)=137
137 % 10 = 7
So 119931-40-7 is a valid CAS Registry Number.