52291-13-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52291-13-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,2,9 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52291-13:
(7*5)+(6*2)+(5*2)+(4*9)+(3*1)+(2*1)+(1*3)=101
101 % 10 = 1
So 52291-13-1 is a valid CAS Registry Number.