511311-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 511311-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,1,3,1 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 511311-72:
(8*5)+(7*1)+(6*1)+(5*3)+(4*1)+(3*1)+(2*7)+(1*2)=91
91 % 10 = 1
So 511311-72-1 is a valid CAS Registry Number.