2061-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2061-65-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,6 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2061-65:
(6*2)+(5*0)+(4*6)+(3*1)+(2*6)+(1*5)=56
56 % 10 = 6
So 2061-65-6 is a valid CAS Registry Number.