663205-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 663205-49-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,2,0 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 663205-49:
(8*6)+(7*6)+(6*3)+(5*2)+(4*0)+(3*5)+(2*4)+(1*9)=150
150 % 10 = 0
So 663205-49-0 is a valid CAS Registry Number.