209533-95-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209533-95-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,5,3 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 209533-95:
(8*2)+(7*0)+(6*9)+(5*5)+(4*3)+(3*3)+(2*9)+(1*5)=139
139 % 10 = 9
So 209533-95-9 is a valid CAS Registry Number.