203064-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203064-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,0,6 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 203064-83:
(8*2)+(7*0)+(6*3)+(5*0)+(4*6)+(3*4)+(2*8)+(1*3)=89
89 % 10 = 9
So 203064-83-9 is a valid CAS Registry Number.