1620016-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620016-98-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,0,1 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1620016-98:
(9*1)+(8*6)+(7*2)+(6*0)+(5*0)+(4*1)+(3*6)+(2*9)+(1*8)=119
119 % 10 = 9
So 1620016-98-9 is a valid CAS Registry Number.