280568-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 280568-02-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,0,5,6 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 280568-02:
(8*2)+(7*8)+(6*0)+(5*5)+(4*6)+(3*8)+(2*0)+(1*2)=147
147 % 10 = 7
So 280568-02-7 is a valid CAS Registry Number.