65703-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65703-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,7,0 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 65703-23:
(7*6)+(6*5)+(5*7)+(4*0)+(3*3)+(2*2)+(1*3)=123
123 % 10 = 3
So 65703-23-3 is a valid CAS Registry Number.