1620013-59-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620013-59-3 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 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1620013-59:
(9*1)+(8*6)+(7*2)+(6*0)+(5*0)+(4*1)+(3*3)+(2*5)+(1*9)=103
103 % 10 = 3
So 1620013-59-3 is a valid CAS Registry Number.