1028331-38-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1028331-38-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,3,3 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1028331-38:
(9*1)+(8*0)+(7*2)+(6*8)+(5*3)+(4*3)+(3*1)+(2*3)+(1*8)=115
115 % 10 = 5
So 1028331-38-5 is a valid CAS Registry Number.