220425-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220425-46-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,4,2 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 220425-46:
(8*2)+(7*2)+(6*0)+(5*4)+(4*2)+(3*5)+(2*4)+(1*6)=87
87 % 10 = 7
So 220425-46-7 is a valid CAS Registry Number.