191155-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191155-58-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,1,5 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 191155-58:
(8*1)+(7*9)+(6*1)+(5*1)+(4*5)+(3*5)+(2*5)+(1*8)=135
135 % 10 = 5
So 191155-58-5 is a valid CAS Registry Number.