1211405-11-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1211405-11-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,1,4,0 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1211405-11:
(9*1)+(8*2)+(7*1)+(6*1)+(5*4)+(4*0)+(3*5)+(2*1)+(1*1)=76
76 % 10 = 6
So 1211405-11-6 is a valid CAS Registry Number.