1020567-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1020567-72-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,0,5,6 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1020567-72:
(9*1)+(8*0)+(7*2)+(6*0)+(5*5)+(4*6)+(3*7)+(2*7)+(1*2)=109
109 % 10 = 9
So 1020567-72-9 is a valid CAS Registry Number.