220753-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220753-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,7,5 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 220753-47:
(8*2)+(7*2)+(6*0)+(5*7)+(4*5)+(3*3)+(2*4)+(1*7)=109
109 % 10 = 9
So 220753-47-9 is a valid CAS Registry Number.