189999-06-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189999-06-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,9,9 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 189999-06:
(8*1)+(7*8)+(6*9)+(5*9)+(4*9)+(3*9)+(2*0)+(1*6)=232
232 % 10 = 2
So 189999-06-2 is a valid CAS Registry Number.