783-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 783-65-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 783-65:
(5*7)+(4*8)+(3*3)+(2*6)+(1*5)=93
93 % 10 = 3
So 783-65-3 is a valid CAS Registry Number.