682804-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 682804-15-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,2,8,0 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 682804-15:
(8*6)+(7*8)+(6*2)+(5*8)+(4*0)+(3*4)+(2*1)+(1*5)=175
175 % 10 = 5
So 682804-15-5 is a valid CAS Registry Number.