93900-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93900-56-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,0 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 93900-56:
(7*9)+(6*3)+(5*9)+(4*0)+(3*0)+(2*5)+(1*6)=142
142 % 10 = 2
So 93900-56-2 is a valid CAS Registry Number.