39564-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39564-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,5,6 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 39564-99:
(7*3)+(6*9)+(5*5)+(4*6)+(3*4)+(2*9)+(1*9)=163
163 % 10 = 3
So 39564-99-3 is a valid CAS Registry Number.