193559-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193559-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,5,5 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 193559-74:
(8*1)+(7*9)+(6*3)+(5*5)+(4*5)+(3*9)+(2*7)+(1*4)=179
179 % 10 = 9
So 193559-74-9 is a valid CAS Registry Number.