52129-12-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52129-12-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,2 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 52129-12:
(7*5)+(6*2)+(5*1)+(4*2)+(3*9)+(2*1)+(1*2)=91
91 % 10 = 1
So 52129-12-1 is a valid CAS Registry Number.