1040680-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040680-65-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,6,8 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1040680-65:
(9*1)+(8*0)+(7*4)+(6*0)+(5*6)+(4*8)+(3*0)+(2*6)+(1*5)=116
116 % 10 = 6
So 1040680-65-6 is a valid CAS Registry Number.