280571-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 280571-38-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,0,5,7 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 280571-38:
(8*2)+(7*8)+(6*0)+(5*5)+(4*7)+(3*1)+(2*3)+(1*8)=142
142 % 10 = 2
So 280571-38-2 is a valid CAS Registry Number.