197011-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197011-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,0,1 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 197011-75:
(8*1)+(7*9)+(6*7)+(5*0)+(4*1)+(3*1)+(2*7)+(1*5)=139
139 % 10 = 9
So 197011-75-9 is a valid CAS Registry Number.