39129-53-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39129-53-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,1,2 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 39129-53:
(7*3)+(6*9)+(5*1)+(4*2)+(3*9)+(2*5)+(1*3)=128
128 % 10 = 8
So 39129-53-8 is a valid CAS Registry Number.