209328-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209328-50-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,3,2 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 209328-50:
(8*2)+(7*0)+(6*9)+(5*3)+(4*2)+(3*8)+(2*5)+(1*0)=127
127 % 10 = 7
So 209328-50-7 is a valid CAS Registry Number.