56181-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56181-29-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,8 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56181-29:
(7*5)+(6*6)+(5*1)+(4*8)+(3*1)+(2*2)+(1*9)=124
124 % 10 = 4
So 56181-29-4 is a valid CAS Registry Number.