204394-95-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204394-95-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,3,9 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 204394-95:
(8*2)+(7*0)+(6*4)+(5*3)+(4*9)+(3*4)+(2*9)+(1*5)=126
126 % 10 = 6
So 204394-95-6 is a valid CAS Registry Number.