123993-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123993-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,9,9 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123993-63:
(8*1)+(7*2)+(6*3)+(5*9)+(4*9)+(3*3)+(2*6)+(1*3)=145
145 % 10 = 5
So 123993-63-5 is a valid CAS Registry Number.