681287-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 681287-02-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,2,8 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 681287-02:
(8*6)+(7*8)+(6*1)+(5*2)+(4*8)+(3*7)+(2*0)+(1*2)=175
175 % 10 = 5
So 681287-02-5 is a valid CAS Registry Number.