130333-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130333-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,3,3 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 130333-20:
(8*1)+(7*3)+(6*0)+(5*3)+(4*3)+(3*3)+(2*2)+(1*0)=69
69 % 10 = 9
So 130333-20-9 is a valid CAS Registry Number.