3247-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3247-65-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,4 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3247-65:
(6*3)+(5*2)+(4*4)+(3*7)+(2*6)+(1*5)=82
82 % 10 = 2
So 3247-65-2 is a valid CAS Registry Number.