201799-22-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201799-22-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,7,9 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 201799-22:
(8*2)+(7*0)+(6*1)+(5*7)+(4*9)+(3*9)+(2*2)+(1*2)=126
126 % 10 = 6
So 201799-22-6 is a valid CAS Registry Number.