682803-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 682803-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,2,8,0 and 3 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 682803-86:
(8*6)+(7*8)+(6*2)+(5*8)+(4*0)+(3*3)+(2*8)+(1*6)=187
187 % 10 = 7
So 682803-86-7 is a valid CAS Registry Number.