19366-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19366-42-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,6 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19366-42:
(7*1)+(6*9)+(5*3)+(4*6)+(3*6)+(2*4)+(1*2)=128
128 % 10 = 8
So 19366-42-8 is a valid CAS Registry Number.