3241-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3241-65-4 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 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3241-65:
(6*3)+(5*2)+(4*4)+(3*1)+(2*6)+(1*5)=64
64 % 10 = 4
So 3241-65-4 is a valid CAS Registry Number.