6500-94-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6500-94-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,0 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6500-94:
(6*6)+(5*5)+(4*0)+(3*0)+(2*9)+(1*4)=83
83 % 10 = 3
So 6500-94-3 is a valid CAS Registry Number.