1190957-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1190957-91-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,0,9,5 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1190957-91:
(9*1)+(8*1)+(7*9)+(6*0)+(5*9)+(4*5)+(3*7)+(2*9)+(1*1)=185
185 % 10 = 5
So 1190957-91-5 is a valid CAS Registry Number.