19155-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19155-64-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,5 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19155-64:
(7*1)+(6*9)+(5*1)+(4*5)+(3*5)+(2*6)+(1*4)=117
117 % 10 = 7
So 19155-64-7 is a valid CAS Registry Number.