204693-63-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204693-63-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,6,9 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 204693-63:
(8*2)+(7*0)+(6*4)+(5*6)+(4*9)+(3*3)+(2*6)+(1*3)=130
130 % 10 = 0
So 204693-63-0 is a valid CAS Registry Number.