183988-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183988-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,9,8 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 183988-99:
(8*1)+(7*8)+(6*3)+(5*9)+(4*8)+(3*8)+(2*9)+(1*9)=210
210 % 10 = 0
So 183988-99-0 is a valid CAS Registry Number.