39198-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39198-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,1,9 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 39198-65:
(7*3)+(6*9)+(5*1)+(4*9)+(3*8)+(2*6)+(1*5)=157
157 % 10 = 7
So 39198-65-7 is a valid CAS Registry Number.