39664-86-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39664-86-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,6,6 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 39664-86:
(7*3)+(6*9)+(5*6)+(4*6)+(3*4)+(2*8)+(1*6)=163
163 % 10 = 3
So 39664-86-3 is a valid CAS Registry Number.