1999-08-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1999-08-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,9 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1999-08:
(6*1)+(5*9)+(4*9)+(3*9)+(2*0)+(1*8)=122
122 % 10 = 2
So 1999-08-2 is a valid CAS Registry Number.