320734-36-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 320734-36-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,7,3 and 4 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 320734-36:
(8*3)+(7*2)+(6*0)+(5*7)+(4*3)+(3*4)+(2*3)+(1*6)=109
109 % 10 = 9
So 320734-36-9 is a valid CAS Registry Number.