204592-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204592-97-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,5,9 and 2 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 204592-97:
(8*2)+(7*0)+(6*4)+(5*5)+(4*9)+(3*2)+(2*9)+(1*7)=132
132 % 10 = 2
So 204592-97-2 is a valid CAS Registry Number.