5100-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5100-97-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,0 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5100-97:
(6*5)+(5*1)+(4*0)+(3*0)+(2*9)+(1*7)=60
60 % 10 = 0
So 5100-97-0 is a valid CAS Registry Number.