204922-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204922-65-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,9,2 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 204922-65:
(8*2)+(7*0)+(6*4)+(5*9)+(4*2)+(3*2)+(2*6)+(1*5)=116
116 % 10 = 6
So 204922-65-6 is a valid CAS Registry Number.