1008038-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1008038-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,8,0,3 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1008038-80:
(9*1)+(8*0)+(7*0)+(6*8)+(5*0)+(4*3)+(3*8)+(2*8)+(1*0)=109
109 % 10 = 9
So 1008038-80-9 is a valid CAS Registry Number.