915191-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 915191-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,5,1,9 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 915191-40:
(8*9)+(7*1)+(6*5)+(5*1)+(4*9)+(3*1)+(2*4)+(1*0)=161
161 % 10 = 1
So 915191-40-1 is a valid CAS Registry Number.