299198-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299198-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,1,9 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 299198-22:
(8*2)+(7*9)+(6*9)+(5*1)+(4*9)+(3*8)+(2*2)+(1*2)=204
204 % 10 = 4
So 299198-22-4 is a valid CAS Registry Number.