39939-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39939-92-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,3 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 39939-92:
(7*3)+(6*9)+(5*9)+(4*3)+(3*9)+(2*9)+(1*2)=179
179 % 10 = 9
So 39939-92-9 is a valid CAS Registry Number.