6191-94-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6191-94-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,9 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6191-94:
(6*6)+(5*1)+(4*9)+(3*1)+(2*9)+(1*4)=102
102 % 10 = 2
So 6191-94-2 is a valid CAS Registry Number.