56131-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56131-19-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,3 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56131-19:
(7*5)+(6*6)+(5*1)+(4*3)+(3*1)+(2*1)+(1*9)=102
102 % 10 = 2
So 56131-19-2 is a valid CAS Registry Number.