320422-67-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320422-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,4,2 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 320422-67:
(8*3)+(7*2)+(6*0)+(5*4)+(4*2)+(3*2)+(2*6)+(1*7)=91
91 % 10 = 1
So 320422-67-1 is a valid CAS Registry Number.