83793-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83793-65-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,9 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83793-65:
(7*8)+(6*3)+(5*7)+(4*9)+(3*3)+(2*6)+(1*5)=171
171 % 10 = 1
So 83793-65-1 is a valid CAS Registry Number.