1200405-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1200405-45-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,0,4,0 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1200405-45:
(9*1)+(8*2)+(7*0)+(6*0)+(5*4)+(4*0)+(3*5)+(2*4)+(1*5)=73
73 % 10 = 3
So 1200405-45-3 is a valid CAS Registry Number.