411212-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 411212-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,1,2,1 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 411212-20:
(8*4)+(7*1)+(6*1)+(5*2)+(4*1)+(3*2)+(2*2)+(1*0)=69
69 % 10 = 9
So 411212-20-9 is a valid CAS Registry Number.