1620000-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620000-99-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,0,0 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1620000-99:
(9*1)+(8*6)+(7*2)+(6*0)+(5*0)+(4*0)+(3*0)+(2*9)+(1*9)=98
98 % 10 = 8
So 1620000-99-8 is a valid CAS Registry Number.