39734-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39734-25-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,7,3 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 39734-25:
(7*3)+(6*9)+(5*7)+(4*3)+(3*4)+(2*2)+(1*5)=143
143 % 10 = 3
So 39734-25-3 is a valid CAS Registry Number.