39984-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39984-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,8 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 39984-77:
(7*3)+(6*9)+(5*9)+(4*8)+(3*4)+(2*7)+(1*7)=185
185 % 10 = 5
So 39984-77-5 is a valid CAS Registry Number.