299920-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299920-22-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,9,2 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 299920-22:
(8*2)+(7*9)+(6*9)+(5*9)+(4*2)+(3*0)+(2*2)+(1*2)=192
192 % 10 = 2
So 299920-22-2 is a valid CAS Registry Number.