403650-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 403650-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,6,5 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 403650-65:
(8*4)+(7*0)+(6*3)+(5*6)+(4*5)+(3*0)+(2*6)+(1*5)=117
117 % 10 = 7
So 403650-65-7 is a valid CAS Registry Number.