204844-76-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204844-76-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,8,4 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 204844-76:
(8*2)+(7*0)+(6*4)+(5*8)+(4*4)+(3*4)+(2*7)+(1*6)=128
128 % 10 = 8
So 204844-76-8 is a valid CAS Registry Number.