199190-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199190-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,1,9 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 199190-53:
(8*1)+(7*9)+(6*9)+(5*1)+(4*9)+(3*0)+(2*5)+(1*3)=179
179 % 10 = 9
So 199190-53-9 is a valid CAS Registry Number.