299185-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299185-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,1,8 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 299185-57:
(8*2)+(7*9)+(6*9)+(5*1)+(4*8)+(3*5)+(2*5)+(1*7)=202
202 % 10 = 2
So 299185-57-2 is a valid CAS Registry Number.