2195-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2195-55-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,9 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2195-55:
(6*2)+(5*1)+(4*9)+(3*5)+(2*5)+(1*5)=83
83 % 10 = 3
So 2195-55-3 is a valid CAS Registry Number.