763105-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 763105-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,3,1,0 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 763105-40:
(8*7)+(7*6)+(6*3)+(5*1)+(4*0)+(3*5)+(2*4)+(1*0)=144
144 % 10 = 4
So 763105-40-4 is a valid CAS Registry Number.