39666-22-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39666-22-3 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 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 39666-22:
(7*3)+(6*9)+(5*6)+(4*6)+(3*6)+(2*2)+(1*2)=153
153 % 10 = 3
So 39666-22-3 is a valid CAS Registry Number.