630409-40-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 630409-40-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,0,4,0 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 630409-40:
(8*6)+(7*3)+(6*0)+(5*4)+(4*0)+(3*9)+(2*4)+(1*0)=124
124 % 10 = 4
So 630409-40-4 is a valid CAS Registry Number.