75129-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75129-31-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,2 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75129-31:
(7*7)+(6*5)+(5*1)+(4*2)+(3*9)+(2*3)+(1*1)=126
126 % 10 = 6
So 75129-31-6 is a valid CAS Registry Number.