55712-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55712-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,1 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55712-19:
(7*5)+(6*5)+(5*7)+(4*1)+(3*2)+(2*1)+(1*9)=121
121 % 10 = 1
So 55712-19-1 is a valid CAS Registry Number.