403805-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 403805-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,8,0 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 403805-86:
(8*4)+(7*0)+(6*3)+(5*8)+(4*0)+(3*5)+(2*8)+(1*6)=127
127 % 10 = 7
So 403805-86-7 is a valid CAS Registry Number.