61520-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61520-29-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,5,2 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 61520-29:
(7*6)+(6*1)+(5*5)+(4*2)+(3*0)+(2*2)+(1*9)=94
94 % 10 = 4
So 61520-29-4 is a valid CAS Registry Number.