39662-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39662-65-2 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 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 39662-65:
(7*3)+(6*9)+(5*6)+(4*6)+(3*2)+(2*6)+(1*5)=152
152 % 10 = 2
So 39662-65-2 is a valid CAS Registry Number.