511237-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 511237-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,1,2,3 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 511237-53:
(8*5)+(7*1)+(6*1)+(5*2)+(4*3)+(3*7)+(2*5)+(1*3)=109
109 % 10 = 9
So 511237-53-9 is a valid CAS Registry Number.