422550-67-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 422550-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,2,5,5 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 422550-67:
(8*4)+(7*2)+(6*2)+(5*5)+(4*5)+(3*0)+(2*6)+(1*7)=122
122 % 10 = 2
So 422550-67-2 is a valid CAS Registry Number.